Technical SpecificationWeight: 5.35 KgDimensions: 108 x 197 x 282 mmFeaturesMinimum of 8 hours battery life.Warning signal when approximately 30 minutes of life is available from the batteries.Automatic shut-off before low battery life can cause inaccurate readings from the ETS or DTS system.Housed in a robust ETS style case which can be stacked with other instruments in the ETS family.Supplied with 2 Battery Power Unit connection leads, each of 0.5m in length.Built in re-charging circuit.Recharge time of 16 hours from fully discharged.