Specifications:

• Wireless distance: 100meters in open air
• Video Interface: No
• Smart : Mini / Legerity
• Size: 105mm
• Power: 2pcsX AA battery
• Password Keyboard: No
• Model Number: MD-240R
• Low Battery Alarm: built-in buzzer make sound in each 2 hours when battery low voltage
• Kit Configuration: Door Sensor
• Display: No
• Connection Type: Wireless
• color: white
• Brand Name: Golden Security
• Arming Type: Password Keyboard
• Alarm Type: The Alarm
• 868MHz Smog Standard Level: UI 217 / 3.2%/feet