Features: 1.Come with built?in button battery, providing long service time, more convenient to use. 2.Wireless remote control is equipped with metal buckle, elegant appearance and high durability. 3.Maximum control distance up to 100 meters outdoors with low interference, provide you more convenience. 4.It is just a common RF remote / transmitter, working with remote switch receiver (not included) only. 5.This remote control can copy the attached 433Mhz remote control as follows: TOP432SA, TOP432A, etc. Specification: Item Type: Roller Shutter Remote Control Material: ABS + Metal Battery Type: Built-in CR2025 120mAh Button Battery Rated Voltage: 12V Rated Current: 14mA Wireless Transmission Distance: Approx. 100m/110yd This remote control can copy the attached 433Mhz remote control as follows: TOP432SA TOP432A ... TOP434A TOP432EV ... TOP434EV TOP432M ... TOP434M TOP432NA ... TOP434NA TOP432S, T432, T434 TAM432SA T432 ... CAMET434 TOP432A ... TOP434A TOP432 The remote control can copy fixed codes and learning codes (common chips are PT2262, PT2264, PT2260, PT2240, EV1527, FP527, etc.) instead of invisible codes. Cannot copy the original car remote control, two-way remote control and rolling code remote control (rolling code chips generally start with HCS, such as HCS200, HCS201, HCS300, HCS301, etc.) Feature: Using this remote cloner, you can clone all 433MHz fixed code key fobs. If your remote control uses 433.92MHZ frequency, it will work with the remote control copier (not included). (Note: The scroll code remote control does not work) PackageList: 1 x Roller Shutter Remote Control