Material：Aluminum Alloy
Power Supply：4xAA Alkaline battery
Battery life: Around 10000 times (More than one year)
Life cycles: Around 200,000 times
Door thickness: Standard 40-50mm(Extendable to 32-60mm)
Static current: <30uA
Dynamic current: ≤150mA
Working temperature: -20°-60°
Working humidity: 0%RH-93%RH
Lowvoltagealarm: 4.2V+(0.2V)