mobile phone key whistle search with switch multifunctional key search anti-loss alarm device

A product designed for the forgetful, people who often lose their mobile phones, wallets, keys, etc.! No problem! As long as you keep it by your side, blow a whistle, and it will immediately alert and flash to help you find the exact location at the first time.

Keyfinder Usage: When the whistle or voice reaches a certain decibel, it will emit a beeping sound, and the LED light will flash to help you find it. The LED light can also be used as a flashlight at night. It is powered by 3 AA batteries. The standby current is only 12 microamps, which is very energy-efficient.

The alarm will sound for 6 seconds. If you are within 4-7 meters of the key finder, blow a whistle. The device should usually sound the alarm.

Due to the presence of various frequencies of sound in the environment, some false alarms are unavoidable, and those who are sensitive to this should be cautious.

Packing Quantity: 400PCS

Color: Blue, Red, Black, White