White Frequency Detector Tester Counter For Auto Car Key Remote Control Checker RF<br> Features :<br> It is a frequency tester of remote control, which can test the frequency of remote control exactly and show out clearly.<br> It make you easy to adjust the exact frequency that you want when you are confecting the remote control.<br> Working voltage: DC 7.5-10 V<br> Working current: 51mA<br> Standby current: 40mA<br> Test coverage: 250-450MHZ<br> Test distance: 10cm<br> 7.5~10V<br> 5 size : 92*56*24(approx)<br> Test method:<br> So long as you approach the remote control to the tester not above 10cm, it can test your remote control exactly.<br> Application range:<br> Electric door controller, auto door etc burglar alarm controller .remote control, electric lock, garage door remote control ,entrance guard ,and so on.<br> Package Content:<br> 1 x Frequency Counter<br> 1 x Power supply cable<br> (Batteries not included)