Item Type: Digital Crane Scale Material: Aluminum alloy, alloy steel, stainless steel Shell Material: Aluminum Sensor Material: Alloy steel Ring Hook Material: Stainless steel Display Type: LED Display Mode: LED red light display Display Panel Material: Acrylic high temperature resistant board, iron casting spray front panel Hook Scale Power Supply Type: 4 x AA battery(excluded) Wireless Remote Control Power Supply Type: 2 x AAA battery (excluded) Wireless Remote Control Controllable Distance: Approx. 20m / 65.6ft Measurement Unit: KG, LB, N Package List 1 x Digital Crane Scale 1 x Remote Control Remote control can not open the scale, but can close the scale. 1Wireless Remote Control: This hook scale can be operated wirelessly with a remote control, and can be operated within a range of 20 meters without obstacles. 2LED Display: This hook scale has a large LED screen display, the reading is clearer and faster, and it is convenient for your use. 3Strong Bearing Capacity: The shackle of this hook scale is thickened, it is durable and has a strong bearing capacity, making it ideal for industrial use. 4High Accuracy: The crane scales use high accuracy load cells, and all crane scales have been rigorously tested from high temperature to low temperature to ensure accuracy. 5Smooth Surface: The surface of the crane scale is finely polished without burrs, well made, and the aluminum alloy shell looks very textured.