Item Type: Hanging Scale Model: OCS-P2 Color: Blue Casing Material: Aluminum Sensor Material: Alloy Steel Lifting Ring and Hook Material: Steel Display: LED Display Display Panel Material: High temperature resistant acrylic plate and iron cast spray front plate. Hanging Scale Power Supply: 4 x AA battery, shipped without battery. Remote Control Power Supply: 2 x AAA battery, shipped without battery. Remote Control Distance: 20m Weighing: 500Kg Measurement Unit: KG, B, N, JIN, Viss Package List 1 x Hanging Scale 1 x User Manual 1 x Remote Control 1Smart Weighing: Designed to have a wide range of 500KG, the hanging scale enables simple conversion among multiple measurement units. 2Great Accuracy: Comes with a strong steel hook and sensitive sensor, the crane scale ensures high accuracy in the dynamic weighing. 3Remote Control: The effective distance of remote control is 20 meters, together with digital display to simplify the whole operation. 4Better Display: Comes with high definition LED digital display, the crane scale will clearly show the result, very easy to operate. 5Practical Uses: Allows for broad application in the weight measuring of warehouse, dock, grain industry, textile, metallurgy and more.