Magnetic Security Sensor Refrigerator Door Alarm Windows Open Alarms 60 Seconds Delay Loud 96 dB for Home Store Offic

Specifications：Material: ABS plastic shellHost size: 35 x80 x8mmMagnetic stripe:45 x8.5 x8mmBattery:1 CR2032 Button batteryStandby time:21 year (Calculated based on opening 10 times a day)Standby current: <3uAWorking current: <20mAWorking environment temperature:-10~+50℃Working environment humidity: <90% RHStorage temperature:-20~+60°℃Use Method：1.Short press the ONIOFF buttion to turn on. It will make the door opening sounds to prompt you it have been entered the working status. And the LED flashes approximately every 5 seconds，Press and hold the ON/OFF button for about 2 seconds to turn off. It will make a long Be.:sounds.2.How it triggered: In working status, open the refrigerator door and the LED flashes to indicate that the refrigerator door is opened After about 60 seconds, the door close reminder will make sounds to remind you to close the refrigerator door.If you close the refrigerator door or tum of the device, it will stop the reminder.Note:1. The installation distance between the host and the magnetic stripe should be less than1cm, please select à suitable location for installation.2. The magnetic stripe must be on the left side of the host, and these 2 parts need be aligned by their alignment arrow.