YK-812 Wireless Remote Control Window Door Gate Entry Magnetic Alarm Detector Burglar

Features : It is a complete set of independent alarms, the door magnetic emission signal to the small host and alarm, the host comes with a speaker. This product can be used as an alarm or as a doorbell. The arming button on the remote control is used to arm and switch alarms and doorbell sounds: click on it to be DinDong (one ring) then press it again to alarm Alarm (two rings) The alarm has a delay alarm function (the ALARM is only activated after about ten seconds of arming). The alarm stops automatically after 30 seconds, and then re-enters the alarm arming state. Specification : Condition: Brand New Color: Shown as Picture Material: ABS Power supply: Host DC 4.5 V (3 AA 1.5 V Batteries, Excluded) Wireless Door Magnetic 12 V/23 V Battery (Included) Wireless Remote Control 12 V/23 V Battery (Included) Sound Pressure: 105db Induction Mode: Magnetic Control Separation Triggers Alarm Delayed Arming Alarm: 10 Seconds Alarm Duration: 30 Seconds Ambient Temperature: -25 C -55 C Humidity: 5% -95% RH Installation Method: Adhesive Tape or Screw Fixing Remote Control Distance: 30m Size: Approx. 98mm x 64mm x 20mm/3.9 x 2.5 x 0.8 in Package includeds : 1 x Alarm host (without Battery) 1 x Wireless Remote Control (Built-in one 12V23A Battery) 1 x Wireless Door Magnet (Built-in one 12V23A Battery) 1 x pack of Mounting Screws 1 x Rubber Pad Details pictures :