City Wall Enterprise Co. Ltd.

Meets the most recent UL 1484 standard, built-in the high sensitivity, the high stability and the high gas selectivity's characteristic may precise detect the LPG/ LNG. With the advanced high tech microprocessor and the wisdom control, processing the precise computation of the LPG /LNG concentration and through time, and have much intelligent control.   Item No. LK-680N Gas Alarm 1.         Meets the most recent UL 1484 standard 2.         Built-in the high tech gas sensor, i t has the high sensitivity, the high stability, and the high gas selectivity’s characteristic, may precise detect the LPG/ LNG. 3.         With the advanced high tech microprocessor and the wisdom control, processing the precise computation of the LPG/ LNG concentration and through time, and have much intelligent control. 4.         Built-in the high efficiency wide-range Switching Power Supply, suitable to the universal voltage.

2-colors alternate lightng, green & red colors.  Long life LED lights emitting 360 degree with no blind angle.  Make with PC cover which can average light source and ABS bass.   Item No. LK-800 1.         2-colors alternate lightng, green & red colors. 2.         Long life LED lights emitting 360 degree with no blind angle 3.         Make with PC cover which can average light source and ABS base.

Low current consumption, alarm output 110dB.  Wall mount type , flush mount and ceiling mount type are available.  White color, blur and red color for your choices.  Also provide tamper switch type for preventing intruders taking away the alarm siren.   Piezo Siren With Strobe LK-95 Three Cables Type Item No. LK-95 1.         Siren & Strobe or Strobe only. 3 cables style 2.         Operating Voltage: 3.         10~16V (DC12V model) 4.         18~28V (DC24V model) 5.         Operating frequency: 2.4~3.7 KHz 6.         Alarm output: 110 dB 7.         Strobe: 8 pcs super bright LED strobe 8.         Reverse polarity protection 9.         Color available: Red / Blue / White 10.     Size: 122L x 73W x 43H mm 11.     Weight: 140 g

Digital Loop Detector with two output relays. Four selectable loop frequencies (20~80KHz)  to eliminating crosstalk. No warm-up required. Two color LED status indicators.   Item No. LK-109 1.         Digital Loop Detector with two output relays 2.         Four selectable loop frequencies (20~80KHz) to eliminating crosstalk. 3.         No warm-up required 4.         Two color LED status indicators 5.         Motorcycles detection also very good application

Security guard, when it is triggered, using alarm output dry contact, it will call to pre-set 8 numbers for alarming calls. Two kinds of items can be offered. One is with 1 trigger, 1 voice message. The other one is with 2 triggers, 2 voice messages.   Item No. LK-100S1. 1.         One Trigger, One Voice message 2.         Store up to 8 telephone numbers 3.         Battery free computerized chip records voice message(s), each 20 seconds maximum, and phone numbers each 25 digits maximum. 4.         With Panic Button for emergency help 5.         Intrusions recorded and reported on LCD 6.         With alarm output dry contact   Specifications: Power Input: DC11 ~ 17V - Power consumption: Standby - 35mA, Operation - 80mA - Alarm Inputs: NO (Normal Open) or NC (Normal Close) - Number of Phone Number: 8 (landlines or cellphones) - Time of Voice Message(s): 20 seconds maximum - Single alarm input, single voice message - Alarm Output Method: dry contacts - Dimensions: 210W x 125H x 34D mm

Stand-alone single door control. Used as a card/PIN reader for unlocking the door oras switch for arming or disarming the security system. Memory retained permanently even after power failure. Reader type: Lockout, Card only, Card plus PIN, Card or PIN. With Doorbell push button.   Item No. LK-1030 / (EM)   1.         Stand-alone single door control 2.         Used as a card/PIN reader for unlocking 3.         Memory retained permanently even after power failure 4.         Adding cards, deleting cards, checking card validity operated through keypad 5.         With numeric LED display makes operation user-friendly 6.         Reader type: 7.         Lockout, Card Only, Card plus Pin or Pin only. 8.         With a door-bell push button   Specifications: - Read range: 15 ~ 23cm (Thick & ISO card), 10~15cm (key tag) - Cardholder capacity: 8,000 cards - Frequency: 125 KHz - Power supply: DC11~15V (liner and full wave rectification power) - Power consumption: 70mA (stand-by), 150mA (operation) - Unlock duration: 1~255 seconds - Case dimensions: 85W x 125H x 22D mm   Proximity Card & Key Tag 1.         Uniquely encoded, impossible to be duplicated 2.         Hand free, battery free 3.         Card dimensions: 4.         Thick card: 86 x 54 x 1.8 mm 5.         ISO card : 86 x 54 x 0.8 mm 6.         Key tag : 34 x 39 x 6 mm

Contemporary design fits modern houses.  A single chip watchdog microprocessor monitoring circuit, ensures easy operation stable performance, reliable quality and long operational life.  Each burglary zone can be set monitored or bypassed independently.   Item No. LK-3006MD series 1.         Keypad operated type 2.         Contemporary design fits all modern houses 3.         A single chip "watchdog" Microprocessor monitoring circuit, ensures easy operation stable performance, reliable quality and long operation life. 4.         Each burglary zone can be set monitored or bypassed independently 5.         With Panic Button for emergency help 6.         With LAN alarm output   Specifications: 1.     Protection zones:   One 24-hours panic zone (N.O. loop)   One 24-hours fire zone (N.O.loop)   One door chime zone (N.O. loop)   Two burglary zones (N.C. loop) - LK-3006MDL2   Four burglary zones (N.C. loop) - LK-3006MDL1 2.  Each burglary zone can be set monitored or bypassed indpendently 3.  With LAN alarm output 4.  Built-in transformer 20VA 5.  Dimension: 160W x 222L x 60D

New Round Shape Sensor Ideal for protection of showcases and show windows and fixed glass windows and glass doors in offices, industrial building, etc.  No need additional power source. Detects a specific frequency or vabration of breaking glass and insensible against vibrations and shocks by wind, cars, railways etc..  Requires no adjustment for sensitivity.   Item No. LK-4105C 1.         No need power source 2.         Detects the specific frequency or vibration of breaking glass. 3.         Insensible against vibrations and shocks by wind, cars, railways, etc. 4.         Requires mp adjustment for sensitivity. 5.         Housed in a water-resistant case.   This New Round Shape Sensor is to be promoted from Jan. 1st, 2020.

Item No. LK-152N Contact Rating: 0.2A 30VDC Contact capacity: 5W Operating Distance: 25 mm (cc) Housing material: ABS resin Brown, Gray & Ivory colors available City Wall Enterprise, 100% Taiwan base, established in 1983, is a leading professional manufacturer with kinds of Security Alarm products, especially in Infrared Beam Sensors, Alarm Control Systems, Auto Dialer, Digital Keypad, etc.  

Strip type sensors, Dual Beams, Twin Beam, Reflector type, and mini size infrared beam sensors are all available.  Easy installation, Stable quality guarantted.  Long life using.  Waterproof items with IP66 can be installed outdoor, detection range up to 250m   Item No : LK-20HM2 / LK-20HM4 1.         Strip Sensors 2 beams & 4 beams 2.         20m detection range (66ft) 3.         Compact & slim type 35mm 4.         Waterproof IP66 construction 5.         LED alignment indicator 6.         No synchronizing wire required 7.         Install in windows, doorways, skylights, garage, gates & spaces are limited. 8.         Swivel body unit, easy for beam alignment 9.         Auto response time adjustment