Specifications

Electronic whistle key finder
1, Material:ABS
2, Alarm activated by a whistle
3, Item size:52x32x13mm
4, CE&Rohs

Name	Electronic Whistle Key Finder Keychain	Material:	plastic + Stainless Steel Keyring	Plastic Type:	ABS
Working distance	15-30M	Size:	52*32*13mm	Weight:	12.5g
Certification:	ROHS,CE,EN71,SGS	Battery:	CR1632×1	Current:	10mA
Frequency:	303.875,315,433.92MHZ	Voltage:	DC12V,DC3V	Logo Style:	Paper Sticker

Have you ever had key missed that you need to go out work ?
Forgot the wallet when you had meal ?
Maybe the wallet is under the sofa
Couldn't find the car keys When you were going out for a drive ?
Perhaps the key is in under the seat, the table, or bed...
The key finder will help you find them by making out sound ,especially much helpful for the elderly...

The wireless key searcher (Key finder keychain):

1. It will make a sound and the indicator light will flashing once the voice frequency up to   1000-3000HZ. Then you can find the item by following the voice and flashing light.

2. This is a sound controled item

3. Red led indcator light will flash and sound di. di. di 

4. Cheap plastic key finder- your good assistant !