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Features: low false trigger rate. Multi-purpose: alarm/alert/chime/learning code functiondouble detect sensor: vibration and magnetloud 108db alarm sound. Easily mounting with 3m pads. specification: host2pcs aaa battery. (not included)over 12 months standy time. Remote control1pc12v/27a battery. (included)over 1 year standy time. Work temperature: -10 to 60â"ƒwork humidity: < 80%storage temperature: -20 to 70â"ƒ package includeds: 1 x host1 x remote control1 x set of accessories1 x user manual details pictures: