• This card shaped gadget finder helps you to find three small gadgets at one time
• Can be used on mobile phones, key chains, wallets and other items
• Working Distance: 50 meters (outdoor), 20 meters (indoor)
• Operating Frequency: 433.92 MHZ
• Work Power: Key chain receiver: 1 x CR2032 (included), card shaped transmitter: 2 x CR2016 (included)
• Thickness: 3.8 mm
• Can be easily put in the purse
• Set mode:
• Turn on the receiver and it will send out a signal
• Click on the card™s "Press Here" button; if successfully matched, the receiver will stop the signal, otherwise you have to try again