Features: - Easy weight calibration using the digital method - High capacity lithium-ion battery for portable use - Emergency on-board battery - Visual / audible alarms - Barcode scanner for label verification - 10 LED lights indicate: collection progress and alarm situation. In alarm situation, the lamps flash. - The main control buttons (CLAMP / START / END / ENTER) on the unit increase user convenience. - A secondary barcode scanner is equipped on the front panel. Replaceable clamping module The clamping module clamps the blood container tubing when the volume of blood drawn reaches a user-defined volume. The clamping module is also removable, so it can be mounted on the left or right side for user convenience. Battery and charger The CM735 can be powered by either a rechargeable battery or an AC mains adapter. The battery used is a 12 volt nickel-cadmium battery. It is replaceable and rechargeable. An audible alarm sounds when the battery voltage drops to the lower limit. The battery can be charged in the mixer or with a separate charger. Ergonomically positioned LCD display is backlit and easy to read in a brightly lit room. The LCD screen displays collected blood volume, target collection volume, total weight of collected blood and blood bags, time spent collecting, and alarms. Target volume display reflects the set target volume. Adjustable