Wsdcam Wireless Anti-Theft Remote Control Door And Window Security Alarms

The instructions are on the back of package

Host 2AAA alkaline batteries to operate ( not included )
An 12V/27A alkaline batteries ( included ) of the remote control to operate
Installation:
Select windows and doors to the installation location, with water and cloth to clean the mounting surface, the double-sided adhesive tape on the bottom and then this machine is attached to the clean position
Installed host, and then double-sided stickers magnets host next door or door frame, pay attention to set the magnetic iron arrow at the arrow to the right host.
Ensure close the door the host and the magnet installation distance should not exceed 10mm.
Application Function:
Arming and disarming
Alarm triggered
Emergency functions
When you are at home when you encounter an intruder or other emergency situations, the remote control [flash] is pressed on the key host will ring alarm.
Emergency function keys are valid in any mode.
Doorbell function
Increase the remote control and alarm
You can increase the remote control and alarm depending on your needs see the instruction set