Feature:
32 songs can be choosen;
Integrate with the function of welcome, burglar, doorbell, night light;
Can add maximum 30pcs accessories (including detectors and remote controls) ;

4 level volume to adjust
Power-saving design
Item specifications:
ceiling/door/window/curtain PIR sensor
Imported sensors, infrared processing chip
External adapter: USB adapter 110-220V
Internal battery: 3*AAA Battery
Standby current: 50uA
Alarm current: 20mA
Receiving distance: 150 meters(open area)
Wireless transmitting frequency: 433 MHZ
Shell material: ABS plastics
Working temperature: -10-40 centigrade
All battery not included)
1*Receiver
1*PIR motion sensor
• Kit Configuration: Door/Window Sensor
• Arming Type: FR Remote-controller
• Power: DC 5V or 3*AAA battery
• Output Number: zero
• Display: No
• Video Interface: No
• Password Keyboard: No
• Communication Interface: Wireless
• Type: Contacts Door & Windows