Product Specification Size: 92X55X34mm(3.62X2.17X1.34) * Material: ABSplastic+copper+cable（chain） * Power: 3 “AAA” size alkaline batteries * Cable（Chain）specification: length 80cm * Working temperature: -10℃~+60℃ * Storage temperature: -20℃~+80℃ * Product weight: 230g Protect Function APP Control! Supports Android 4.3 and iPhone4s above systems. Anti cutting function: Cutting cable activates alarm immediately. Anti disassembling function: Removing the battery cover activates alarm immediately. Vibration function: Vibrating or emoving the unit activates alarm for 30 seconds. Waterproof function: IP44 rating approved. Alarm sound: Up to 110dB Packing size SIZE:202*273*55MM weight:329g Included: 1x smart lock, 1x user manual Note : The package doesn't include the battery.
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