[Features] With 6 function buttons ;Program the button function by computer software. [Waterproof] IP65 Waterproof: It can be used normally under harsh environment such as high oil pollution, high humidity and high dust. Approx 100m Strong penetrability without aiming. [Safety] The remote controller is equipped with a safety magnetic key switch for emergency use. The remote control has a battery voltage alarm device that automatically cuts off the circuit when the voltage is insufficient. Up/down, east/west, north/south can be programmed to interlock or non-interlock,toggle and normal etc. [Note] The remote control needs to be used with the contactor. It cannot be directly connected to a power source. Connecting the power directly will burn the motherboard. Number of function buttons:6 x one-step buttons Other buttons:1 START button, 1 Emergency Stop button Protection Class: IP65 mitter power: Less than or equal to 10dBm Power supply:DC 3V (2xAA Batteries not included) Safety code: 32bits (4.3 billion) Temperature range: -40-85 degrees Celsius Control distance: Approx100m Note:Due to different production batches, there are differences in label printing, which does not affect use. Colour:Orange Material:Plastic Package Contents: 1 * Receiver 1 * mitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.