Description: It adopt the newest wireless technology, super strong extension, no need wiring, easy to install and operate. Main panel design with voice, acousto-optic and siren all in one. After install detectors in the defense zone, detectors will send digital encoded alarm signal once there have theft enter, then the main panel will have human voice to alarm, siren sound and light flashing. It also could be used as welcome bell. Combined with wireless detectors, it is widely used to secure the safety of home, store, factory, residential subdistricts and etc. Features:With study and delete button, easy to operate, voice guide operate 110DB siren sound, honorable person voice prompt At arming state, light flashing 100 millisecond per time; at disarming state, light not flashing, at delay defense zone arming/disarming state, light flashing 1 second per time Sound and light double prompt to secure SOS, press the SOS button on remote to alarm The infrared detector adopts auto temperaturecompensation,wide detection range, anti false alarm technology, low voltage display, wireless alarm signal transmission,with the external power socket Widely used to secure the safety of home, store, factory, residential subdistricts and etc. Specifications: Condition: 100% Brand New Material: ABS Plastic Main Color: As pictureWorking Environment: -10~+80Working Humidity: 90%Size: as pictureUsage: Home SecurityPackage Weight: About 500gAlarm Host Power Supply: DC 12V Quiescent Current:70mA Alarm current: 800mA Wireless Frequency: 433MHz optional 315MHz optional Wireless Receiving Sensitivity: -105dBm External Alarm Horn Sound Intensity: 110dbDoor ContactTriggered:<37.5px, with antenna, 1527/2262ICWorking Voltage:6V Working Current: 10mAStatic Current:5AWorking Frequency: 433M HzFrequency Tolerance: 0.2MHzRemote ControlWorking Voltage: 12VWorking Current:15mAWorking Frequency: 433M HzRadio Distance: 160m (open area)Package Included: 1 x Home Alarm Security System Host 1 x Door Contact 1 x Infrared Detector 1 x Remote Control 1 x Power Adapter1 x English Instruction Note: 1. Please allow 0~1inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.