The smart key finder can help you locate the items which often get lost. Simply attach the receivers to your keys, wallet, purse, TV remote, glasses case, mobile phone, car keys or other articles you wouldn't want to lose and find them by pushing the button on remote, the beep sound and the LED flashes will lead you to find them even in the dark during the range of 30-40 meters.
Specification
Size (transmitter):105×46×13 mm
Size (receiver):50×36×11 mm
Battery (for transmitter):2* AAA, 1.5V batteries (NOT included);
1*CR2032 (for receiver, included)
Sound:90~100Db (Open Space)
Transmitting Range:30~40 meters
Frequency: 433.92 MHz
Housing material: ABS
Package Included
1 x transmitter
4 x receivers
4 x key ring
4 x CR2032 batteries
1 x user manual
1 x Docking Base
Please Note: To avoid some fake & poor copies, please buy the key finders from the seller "Trywe-UK"