Features: 1、The first one 3-In-1 Mirco Camera+5.8G TX+Antenna Combo kit 2、Super small and lightweight 3、Five bands 40 channels with raceband 4、Easy install ,plug and play 5、Button control instead of switch to change channels Operating Instructions: How to change frequencies(bands/channels) Press Band/Channel button once to change channel. Push and hold button for 2 seconds to change band. Specificationgs: Transmitter power:25mW Input power :2.5-5V Camera resolution:600TVL Min illumination:1 lux Field of view:120° viewing angle Antenna dimensions：20mm X 25mm diameter Antenna：3 lobe right band circular polarized Video output：NTSC Frequency：5.8CHZ 5 bands 40 channels，with Raceband：5658-5917 MHZ Bands：5 bands (in the picture) Push button operation ，long press for band，short press for channel 2 row LED indicators， 5 LED for band， 8 LED for channel PCB color ：blue Weight：4.5g