Wsdcam Freezer Door Refrigerator Alarm

Accidentally left your freezer or fridge door open? Want an alarm to go off if the freezer door stays open?Yep, we’re here to help! This alarm with delay feature that let you know if fridge door stays open up to 60 seconds. 3/15/30/60 seconds adjustable delay time, it sounds “Di-Di-Di” from 0 dB to 108 dB if door stays open for 3/15/30/60s. Super easy to set the delay time as your need. Never worry about wasting foods, make food stale and wasting electricity anymore. And never be annoying when loading/unloading the freezer/fridge. This alarm with 4 modes, it also can be a door security alarm/poor door alarm or door open chime. Product Feature:108 dB Loud Alarm4 in 1 Mode --- Time Delay, General Alarm, Constant Alarm, Doorbell, easy set the appropriate mode according to your need.Wireless Alarm Battery Operated, it need two AAA alkaline batteries ( not included ).Low Consumption Design, they can work for over 2 years.Low Battery Warning, when it need replace batteries, the LED light wi