Description:The alarm doorbell adopts 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. The learning frequency of alarm is 433MHz/315MHz, work with various detectors which encoded with 1527,2262. 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:1. With study and delete button, easy to operate.2. Voice guide operate.3. 110DB Siren sound, honorable person voice prompt.4. 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.5. Sound and Light double prompt to secure.6. Remote study code, max 32 wireless remotes. Can set to: arming, stay arming, disarming.7. Max study 160 detectors. 5 main defense zones, each zone can study 32 detectors, data no lose when power off.a) Away zone: detectors in this zone will trigger the alarm when set arming/ stay arming; disarming, not trigger the alarm. This apply to all area.b) Stay zone: detectors in this zone will not trigger the alarm when set stay arming will trigger the alarm; disarming not trigger the alarm. Apply to the area which have person activity.c) 24 hours zone: detectors in this zone will trigger the alarm when set arming/ stay arming /disarming. Apply to smoke detector or the area no person activity.d) Delay zone: detectors in this zone, within 10 seconds after arming (when leave home) and within 5 seconds after disarming (back home) will not trigger the alarm; stay arming, trigger the alarm; disarming, not trigger alarm. Apply to gate, corridor and outside area.e) Welcome zone: detectors in this zone will trigger the alarm when set arming/ stay arming; disarming will trigger the prompt "hello, welcome". Apply to door area. Specifications:Power Supply: DC12VQuiescent Current: 70mAAlarm Current: 800mAWireless Frequency: 433MHz, 315MHz(optional)Wireless Receiving Sensitivity: -105dBmExternal Alarm Horn Sound Intensity: 110dbWorking Environment: -10~+80Working Humidity: 90%Material: ABS PlasticHost Size: Approx. 13 * 8.1 * 3.7cm / 5.1 * 3.2 * 1.5inMagnetic Contact Size: Approx. 7.1 * 3.5 * 1.5cm / 2.8 * 1.4 * 0.6inInfrared Sensor Size: Approx. 10.6 * 5.8 * 3.9cm / 4.2 * 2.3 * 1.5inRemote Control Size: Approx. 5.4 * 3 * 1.3cm / 2.1 * 1.2 * 0.5inWeight: Approx. 808g Package Includes:1 x host2 x infrared sensor4 x magnetic contact 2 x remote control1 x power adapterNote:1. Please allow 1-3mm 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.