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One pair wireless doorbell transmitting distance more than 300m (1000 feet). The package includes one wireless doorbell transmitter (HB-805B). It is ... more info

Wireless beams detector updated with LCD calibrator and electricy power supply and battery rechargeable power jack. Infrared Distance 120m, Wireless ... more info

Functions and Specification: 1.Induced gas:coal gas, natural gas /LPG 2.Power supply:AC220V /50Hz 3.Buzzer level: 85dB, Density: 15% LEL 4.Resuming ... more info

6 pressbutton focus Wireless Remote Controller Functions and Specification: 1.It is with one emergency button and 2 appliance control buttons. 2.It ... more info

Wireless FSK+FHSS alarming make sensor immune to signal-interference and false alarm. Strong anti-interference abiliyt to electromagnetic wave, ... more info

HB brand wireless doorbell transmitter HB-805B It is waterproof wireless doorbell, can be installed on gate outside. It can transmit to more than ... more info

Intelligent smoke detector Addressable alarm works with TC series addressable fire alarm system Infrared scattering principle Non-polarized two-wire ... more info

Outdoor Weatherproof IP66 Motion Sensor Detector DIY Security Alert Driveway, outdoor yard, courtyard intrusion alert sensor. This is HB brand ... more info

Solar photoelectric beam sensors alarm communication unit HB-4040G model HB-4040G network alarm panel uses a SIM card and 2G data service to ... more info

Wireless 3CH Touch keypad Home Appliance Control Switch to be used with focus alarm panel Functions and Specification: 1.It is used with focus alarm ... more info

Toxic gas detector and gas alarm of environment security sensor. AC plug in power or DC 9-28VDC NC or NO output with connection for home security ... more info

Industrial access control attendance video check alarm host FC-7688A Industrial grade access control alarm host TCP/IP and 4G network Man-machine ... more info