Wireless Door Window Sensor Security Alarm Security System – (No Battery)

Specifications: 1. Sensor Type: Alarm 2. Alarm Type: Sound 3. Material: Plastic 4. Color: White 5. Size: 2.5 x 1.3 x 0.8 Inch Descriptions: 1.100% Brand New And High Quality 2.Magnetic Sensor Switch Detects Entry 3.Ideal Guardian Against The Unwanted Intruder Whether You Are In Or Out, Keep Yourself And Your Property Safe And   Security 4.Easily Attach The Main Sensor On The Door/Window And Attach The Stick Adjacent The Main Sensor On The Door/Window Frame With The Adhesive Tape (Included) 5.Handy On/Off Switch: In The State Of “On”, The Sensor Will Emit The Alarm Signal As Long As Someone Opens Your Door Or Window 6.Super Loud 90 Db Alarm 7.Powered By 3*1.5v  Button Cell 8. Loudness:90db Features: Easily Mounted By Adhesive Tape To Window Or Door. Magnetic Sensor Switch Detects Entry Protecting Your Home Or Office Whether You Are In Or Out. Warning Door/Window Sticker Is Supplied Free In Package. Operating By 3 Pcs.1.5v Button Cell. Application: 1. Doors, windows, families, shops, businesses, etc. 2. Internet cafes, computer chassis, anti-theft devices. 3. Applicable to anti-theft of Internet cafes, residential buildings, offices, shop counters, etc. Built-in 90 dB alarm output, using 3 x 1.5 V LR44 button battery (included). 4. It is suitable for burglar-proof of residential buildings, offices, shop counters, etc. Operating Instructions: 1.Use The Double-Side Adhesive Tape To Fix The Main Unit At The Side Of The Door/Window. Attach The Bar Magnet To Door Frame/Window Frame With The Arrow Aligning With The Reference Line Of The Main Unit. 2.Test The Setup By Switching The System’s Switch To ”On” Position Of The Main Unit And See Whether The Alarm Can Be Triggered By Opening The Door/Window. Package Includes: 1PC Magnetic Sensor  Categories: Alarms and Siren Horns, Doorbells, Home Security, Motion Sensors, Smart Gadgets, Smart Home Sensor, Smart Sensor