Wireless crane scale,kg/lb convertible,LCD display, portable indicator,Capacity: 1MT, 2MT, 3MT, 5MT, 10MT, ... Display refresh rate: 5 times/sec9. Continual operating 50 hours10. Wireless transmission distance: no less than 200 meters when unobstacled11. Built-in ... micro-printer12. LCD display, portable indicator13. Capacity: 1MT, 2MT, 3MT, ...