* Extra large LCD display with background lamp, weighs up to 220lbs, slip-Resistant 9" x 9" weighing platform. * Allows charging and recovering with all refrigerants and is good for all sized popular refrigerant tanks. * Rugged, compact design, completely portable. Made of high quality plastic & metal material, durable and sturdy, high accuracy and resolution. * Powered by 1*6LR61 9V battery-works up to 30 hours, auto-off in 10 minutes of non-use. * Heavy duty carrying case included- goes easily where you need it. 24/7 US Technician Support via Email and Phone.