MH803
Wireless Door&Window Sensor Alarm
User Manual
Production diagram
Battery and Product Installation
1.Open the battery compartment cover after removing the screw at the rear of alarm,Insert 2 pieces ‘AA’
alkaline batteries(not included) following correct polarity in battery compartment. when the last battery is
inserted, the alarm will beep to confirm batteries were installed correctly,fix back battery cover with
screws.
2. Install the main unit and magnetic contactor on door or window with double adhesive tape ,make sure
the main unit and the magnetic contactor are aligned at the same parallel level at the closest
distance(within 10mm). it can be used after installation finished.
Password Setting Management
Change the new password :
1: input factory default password "1,2,3,4," and press "Enter" button to enter into password changing
mode (LED will keep on if password input correct).
2: input 4-6 digit new password, and then press "Enter" to confirm password change, the LED will flash 3
times if the password changed successfully .
Note: pls press the password in consecutive way, time gap should within 3senconds in avoid of password
setting failure. (Password will be automatically reset to factory default password If you replace the
battery).
Pairing with other devices
Under disarm mode with the batteries, press and hold both the learn code button behind the MH803 and
the “learn code” button on the remote controller (KF801) for seconds, when MH803 " Beep” twice then
release button, LED will flash 3times to confirm the connection is setted successfully.
Without remote control, the alarm also can pair with other MH800 series device such as MH801,
MH802,MH804,MH805,MH806,MH807 as below:
①Using MH803, under disarm mode, input password and press “Enter”
②Press and hold learn code button of master unit, the LED light keeps on,
③Press and hold learn code button of those alarms which intend to be paired with,
④After hearing the “beep” sound twice, release the learn code button, it indicates the device has been
connected successfully.
Note: To erase the learnt code just simply by pressing and holding the learn code button, then reload
batteries. Alarm will make three ’ beep’ sound to indicate that the learnt code is erased successfully. .After
erasing the learnt code of MH803, it can be only used alone.
All steps should be one by one closely, 5 seconds delay between any of above steps is not allowed.
Operation Instruction
Arming& Disarming the Unit:
1.Press “Enter” button on the MH803,the device will “beep”, LED light keep on 4seconds,
and it will send the wireless signal to all the connected device, after 30second,all connected devices will
be under arm mode. when the door or window were detected open, the alarm will “beep” 1times to
remind and the alarm will be trigger after 5seconds.if you need to turn off the alarm, pls input the correct
password and press “enter” button to confirm, the alarm will “beep” 1times and LED light on 4seconds
and begin to send the wireless signal to disarm all connected devices.
2.Press “Arm” button on the remote controller (KF801),MH803 will “beep” 1times and LED light on
4seconds, and begin to send the wireless signal to all the connected devices to turn on, after 30second,it
will be under arm mode. when the door or window were detected open, the alarm will “beep” 1time to
remind and the alarm will be trigger after 5second.if you need to turn off the alarm, just press “CLR”
button on the KF801,MH803 will “beep” 1times and LED light on 4seconds and begin to send the
wireless signal to disarm all connected devices.
