卡大小的关键的中介

1.25meters(75 feet) detection range works through walls and floors(great ability to find your keys even if hidden inside drawers, cabinets, pockets, and any other hard to find place), finds lost keys quickly 2.Credit card shaped transmitter fits in any wallet or purse 3.Keychain Receiver Beep alarm and flashlight; With stop or flashlight button; 4.Extended battery life: over 1 years with standard use; 5.Transmitter battery: 2 pieces CR2016 (included); 6.Receiver battery: 2 pieces CR2032 (included) 7. Full color printing on credit card size transmitter and large logo printing on the back of receivers and tin box 8.Product size: Card size: 8.4*5.5*0.4cm/8.5*3.5*1.5cm(include the keyring)