Features:
Door/Window Security Alarm Kit: Low Power Consumption, High-Quality Process, An Easy Way To Protect Your Home And Family. One Alarm Can Be Paired With  8 Remotes, One Remote Also Can Be Paired With Multiple Alarms. So You Can Control Multiple Alarms With Only One Remote
Real-Time State Protection: Immediately Alarm While Thief Pushing The Door Or Window. Response In 200ms.
Easy Installation: The Double-Sided Stickers On The Back Allow You To Easily Paste This Alarm Kit Onto Any Smooth Surface.  
Convenient Remote Control: Comes With A Remote Control That You Can Easily Control The Alarm Within 50m.

Specifications:
Material: ABS+ Metal
Color: White(Receiver), Black(Remoter)
Batteries: 2pcs AAA Batteries (Receiver )(Not Included) 1pcs 12V 27A Battery (Remoter)(Included)
Frequency: 433mhz
Gap Distance Of Installing (The Distance Between The Receiver  And The Magnet): <1cm
Magnet Detect Distance: >1cm
Remote Control Distance: 20-50m
Alarm Volume: 108db (Test Distance Is 30cm)
Operating Environment Temperatures: -10°C-+60°C
Operating Environment Humidity: R/H<80%
Storage Temperature: -20°C~+70°C

User Guides:
1 Arming And Disarming  
1.1 In Standby Mode, Press The Remote Control Arm Key, The Main Unit Will Sound Three Times'Bi Bl Bi' And Enter The Arming Mode, The Indicator Light Will Flash Every 3s In The Arming Mode.  
1.2 In Arming Mode Press The Remote Control Disarm Key To Disarm, It Will Sound One Long 'Bi .....' And Exit The Arming Mode, In Disarming Mode The Main Unit Does Not Have Any Function, Except The Low Battery Prompt.  
2 Trigger Alarm  
If The Door Or Window Is Opened In Arming Mode, The Alarm Will Sound Immediately And Last For 30s, Followed By A Pause Of 15s. Lf The Door Or Window Remains Open, The Main Unit Will Continue To Cycle The Alarm Sound For 30s Until The Alarm Sound Is Stopped By Pressing The Disarm Key  
When The Door Or Window Is Closed,The Main Unit Will Stop After Ringing The Current 30s Alarm Sound Cycle.  
3 Emergency Function  
In Any Mode, If You Press The Remote Control Emergency Key, It Will Immediately Sound The Alarm For 30s.  
4 Bell/Chime Function  
Press The Remote Control Bell Key, The Main Unit Wil Sound 'Dingdong' And Then Enter The Doorbell Mode, 'Ding Dong' Will Sound Whenever The Door Or Window Is Opened.

Package Includes:
1*Receiver
1*Remote Control
1*Instruction Manual
3*Double-Sided Tape