Door Window Wireless Burglar Alarm with Magnetic Sensor Home Safety Wireless Longer System Security Device 90dB White Wholesale Features: New and high quality Easy to install powered by 2 pieces AAA 1.5V batteries Protect your home or office Specifications: Material: Plastic & Electronic Parts Color: White Volume: 90db Size: 95 * 32 *20mm Net weight: about 35g Note: Place the cover in place. Has a convenient On / Off switch, so you can set the alarm to Off when you do not want to use it. Package includes: 1x Door Window Wireless Burglar Alarm 1x Magnetic Sensor Door Window Wireless Burglar Alarm with Magnetic Sensor Home Safety Wireless Longer System Security Device 90dB White Wholesale Features: New and high quality Easy to install powered by 2 pieces AAA 1.5V batteries Protect your home or office Specifications: Material: Plastic & Electronic Parts Color: White Volume: 90db Size: 95 * 32 *20mm Net weight: about 35g Note: Place the cover in place. Has a convenient On / Off switch, so you can set t