The product is a 2 receiver 1 remote control electronic alarm key finder , it will bring much convenient for you

Specification:
Extra-long finding range:>30 meters
Extended battery life to 6 months.

Features :
Extra-long finding range: over 40m outdoors, and 20 meters indoors;
keychain transmitter and receiver, small,convinient and portable ;
Superior search technology (not clapping or whistling);
Beep alarm;
Extended battery life: over 8 months with standard use;
5X3X1cm and 14g for receiver ; 6X3.2X0.9 CM and 15g for transmitter ;
Transmitter battery: 1 piece CR1632 (included);
Receiver battery: 1 piece CR2032 (included)
set with 1-2 pcs of receivers
 
Package include:
1x transmitter
2x receiver