Item Type: Crane Remote Control Kit Material: Nylon Remote Control Battery: 2 x AA Battery (battery not included) Protection Grade: IP67 Remote Control Frequency Range: VHF: 310-331MHZ; UHF: 425-446MHZ Remote Control Transmitting Power: 10DBM Remote Control Security Code: 32 Bits (4.3 billion sets) Control Distance: Remote control distance within 300 meters in open environment Receiver Sensitivity: 110DBM Receiver Frequency Range: VHF: 310-331MHZ; UHF: 425-446MHZ Application: Cranes, conveyors, CNC, coal mining machinery, generator start up, concrete pumps, grab bucket and other machinery Package List 2 x Remote Controls 1 x Receiver 2 x Remote Control Covers 2 x Fuses 1 x User Manual 1. After use, the main power supply of the crane should be turned off and the power supply of the receiver should be cut off2. Press the reset emergency stop button of the transmitter, and place the transmitter in a safe position. Personnel are not allowed to press randomly to avoid accidents3. The crane should have a total power relay, limit switch, and other security facilities4. Stop using in case of thunder or disturbance5. During installation or maintenance, the main power supply of the crane and the power supply in the receiver should be turned off to avoid electric shock 1REMOTE DISTANCE: The electric hoist remote control adopts excellent antenna, and the remote control distance is within 300 meters in an open environment. 2IP67 PROTECTION: This remote control has IP67 protection grade, preventing spot welding smoke, metal dust, oil stains, and acid, waterproof and drop resistant. 3WITH RECEIVER: Equipped with 2pcs crane remote controls and a receiver, the receiver is equipped with LED light, which can clearly indicate the working status. 4HIGH SENSITIVITY: This industrial lift crane remote control has high sensitivity, with quick response, the fastest up to 0.01 seconds, which is efficient and practical. 5APPLICABLE DEVICE: This remote control kit is suitable for crane, conveyor, CNC equipment, coal mining machinery, generator starting, concrete pump, grab bucket, etc.