MASTERCOOL Wireless Refrigerant Scale ML98310 Wireless unit prevents unwanted tangles in wires Easily store the remote in the body of the platform Keypad provides synchronization and zeroing Extremely accurate weight sensor Magnet on remote allows easy placement on fixtures Battery life symbol for platform and remote constantly displayed on LCD Wireless signal strength indicator conveniently displays on remote FUNCTIONS: CHARGE PROGRAMMING: Allows user to program desired quantities. Before charge is complete, an alarm will sound allowing ample time to turn off refrigerant supply. PAUSE/CHARGE (98315 model only): This feature allows user to stop and continue charging. TANK CAPACITY PROGRAMMING: EMPTY/FULL tank feature allows user to know the amount of refrigerant in the tank at any time. REPEAT (98315 model only): Allows user to charge previously stored amount. SPECIFICATIONS: Capacity: 240 lbs (110 kg) Accuracy: ?¤ 0.01 kg / ?¤ 0.16 oz / ?¤ 0.01 lb or 0.1% whichever is greater Resolution: 0.02 lb / 0.01 kg 31 cm x 31 cm Platform Auto Off Function Operating Temperature: 32 to 120??F (0 to 49??C) Accepts all US & EU standard cylinders