Specification 1. Number of channels: 1 2. Weight: 16g. 3. Frequency: 433,92 MHz 4. Battery included(2016X2) 5. Dimensions: 32 x 68 x 13mm 6. Range: 50-150m Description Complete cloning directly face-to-face, without using a receiver,Simpler than original. 100% Compatible 433MHz Garage Remote Control [ Original shell ] The appearance is the same as the original remote control Attention! This is a cloned remote control, and its usage is different from the original remote control. Please follow our instructions How to Program Face to face copy your original remote control Step:1:Clear the history code from duplicator 1:Press button A and B continuously until LED flash 3 times 2.Release button B (Keep pressing button A),and press button B Slowly for 3 times,LED flash 3.Release button "A",finish code clearance. Step 2,Copy code from original transmitter 1. Put duplicator aside of original transmitter,as close as possible. 2. Press and hold button A of original transmitter,then press and hold button A of duplicator until you see the duplicator's LED flash 3. Release both buttons,finish code copy,copy other button in same way. Button A = Lock button Button B = Unlock button Compatibility list TOP 432 NA,TOP 432EE,TOP 432EV