3pack Wireless Remote Control Magnetic Sensor Door Window Security Burglar Alarm

features :

• Magnetic Sensor Alarm 
• Volume 110dB 
• Color White
• Weight 2.29oz/65g
• Material: ABS
• Power Supply 2 x AAA-Batteries(Not Included).
• Range 200ms
• Standby Time 12 Months
• Dimensions 85(L) x 43(W) x 15(H) mm
• Remote Control
• Voltage 12V 27A                      
• Standby Current 1μA
• Working Current 15mA
• Standby Time 12 Monate
• Remote Control Distance 20m
• Power Supply 1 x 27A Batterie (included)
• Size 61(L) x 30(W) x 13(H) mm

Package Includes:

• 3 x Magnetic Sensor 
• 3 x Magnetic Stick
• 3 x Remote Controls
• 3 x User Manual