Feature 1 Quick Connection: The receiver comes with a pure copper cable with clearly identifiable color and U shaped terminals for your quick wiring. 2 Strong Anti Interference Capability: The transmitter has power monitoring function and shows power condition with LED indicator, 800MHz transmission frequency, strong anti interference capability. 3 Resistant to Oil and Dirt: The remote control kit meets the strict requirements of working in harsh environments. Anti metal dust and oil stain can be achieved for long term use. 4 ABS and Copper Material: The remote control kit is made of ABS and copper material with excellent craftsmanship. It is drop proof, waterproof and acid proof, and safer to use. 5 Applicable Scenes: Our remote control is suitable for cranes, conveyors, coal mining equipment, concrete pumps and other mechanical equipment.Item Type: Crane Industrial Remote ControlModel: YU 12DMaterial: ABS, CopperRemote Control Battery: AA alkaline battery x 2 (remote control is shipping without battery)Application Areas: For crane, conveyor, CNC, coal mining machinery, generator start, concrete pump, grapple, other machinery. Package List1 x Remote Controller(Shipping Without Battery)1 x Receiver2 x Dust Cover 2 x FuseNote1. The total power supply of the overhead crane should be turned off after use, and cut off the power of the receiver 2. Press the reset emergency stop button of the transmitter, the transmitter should be placed in a safe position, and personnel should not be pressed at will to avoid accidents 3. The overhead crane should have a general power relay, limit switch, and other security facilities 4. Thunder or interference should be stopped in case of use 5. The total power supply of the overhead crane and the power supply inside the receiver should be turned off when installing and maintaining the goods to avoid electric shock