Digital Heatproof Crane Scale ,Capacity from 600kg to 30 ton;Easy operation and rugged construction;Heat insulation and dual range;Larged bright red LED (1.2 inch), n display with wide view angle;Integrative load cell, overloading safety up to 400%;Weight units kg, lb;Tare, zero, hold function;Linear calibration help better precision;1/3000, 1/6000 division switch;Auto-zero tracking, power-saving mode;One charge can be lasting up to 150 hours;Low power indication and auto power off;Remote control distance over 20 mModel Capacity Division GS-A-0.6T 0.6T 0.2kg/0.1kg GS-A-1T 1T 0.5kg/0.2kg GS-A-2T 2T 1kg/0.5kg GS-A-3T 3T 1kg/0.5kg GS-A-5T 5T 2kg/1kg GS-A-10T 10T 5kg/2kg GS-A-15T 15T 10kg/5kg GS-A-20T 20T 10kg/5kg GS-A-30T 30T 20kg/10kg