DayTech Freezer & Refrigerator Door Alarm - 3/15/30/60 Seconds Adjustable Delay 90dB Loud Wireless Window & Door Opening Sensor - DA10

DescriptionReport ItemSpecifications：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°℃Product Feature:* Professional designed as a door close reminder for the refrigerator, easy to install with 8mm ultra-thin size* Reed sensor detection, perfect reminder and more peace of mind.* A CR2032 button battery life is up to 1 year, no need to replace battery frequently.* Easy to install and easy to use.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.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.