Features:1. There are 8 operation keys, including seven single speed buttons and one total stop button2. With battery voltage warning device, cut off the circuit when the voltage is insufficient.3. Can be connected to the computer interface to set internal functions4. The power button can be set to normal, self-locking and acceleration by the computer.5. Suitable for single hook single speed, two mechanism jog hoist and industrial control below 6 contactsSpecification:Condition: Brand NewOperating Temperature: -35 to +80(regardless of battery temperature)Protection Level: IP65Weight: Approx. 1411g / 49.8ozRemote Control Parameters:Housing Material: Fiberglass Reinforced NylonProtection Level: IP65Transmit Power: <10dbmTransmitter Power: 2 AA Batteries(not included)Transmitter Power Supply: DC 3VSecurity Code: 32 Bits (4.3 Billion Groups)Control Distance: 100 MetersReceiver Parameters:Housing Material: Fiberglass Reinforced NylonProtection Level: IP65Transmitting Power: 110dbmSecurity Code: 32 Bits (4.3 Billion Groups)Electric Shock Capacity: 8A Fully Sealed Relay InputReceiver Power Supply: AC220VPackage List:1 * Transmitter1 * Receiver1 * 1m Connecting Cable1 * User Manual1 * DustCover.