Within the same area allows multiple sets of the same type or different types simultaneously, without disturbing each other. 2-16 key bit more single-speed or two-speed models to meet the needs of your different device control ********* HS-4 launcher ********* a start button 1 Stop key 2 Function keys (keys 1 Down Down key on 1 UP) 1 indicator (color) ********* ********* transmitter technical parameters Dimensions (without antenna ) 100 × 47 × 30mm Weight (without battery) 110g light is a battery-powered two 7 working distance 50 ~ 100m 422.4 ~ 438MHz operating frequency response time 0.0001s reinforced nylon shell material PA66 Protection class IP65 Operating and storage temperature -30 ℃ ~ + 80 ℃ ********* ********* HS-Ra receiver Dimensions (without antenna) 130 × 95 × 52mm Weight 500 ~ 550g Supply voltage AC / DC12 -24V, AC 36V, 110V, 220V, 380V, 415V, etc. 50 ~ 100m distance indicator a standard configuration ********* ********* transmitter a transmitter dust a receiver sets a fuse two batteries one pair (English packaging included) Receiver comes with 1 m connection cable Operation and Maintenance Manual 1 receiver input voltage Optional: AC / DC12 ~ 24V, AC36V, AC110V, AC220V , AC380V, special voltage can be customized. One for two (a receiver two transmitters), can be customized with a tow or three launchers, etc. If you have special needs or to order, or to obtain graphic information, 1173338357 more exclusive domestic HS-16S, HS-16D, * 16 function keys, Welcome to the