Dimensions Display H117 x W107 x D30, Sender Unit H113 x W78 x D40mm, Sensor H50 x W50 x D30mm Wireless link 433MHz Radio Frequency Wireless range 30 metres in open area Display power supply 3 x AA LR6 UM 3 1.5V batteries or 6V ACDC adaptor Sender box power supply 3 x AA LR6 UM 3 1.5V batteries Operating temperature 5C 45C 41F 113F at 85% relative humidity Storage temperature 5C 60C 23F 140F at 85% relative humidity Country setting UK Voltage 230V Units Metric Kg C Accumulative GHG units Tonne GHG units Kghr GHG conversion 0.43Kg CO2 1KWhr Tariff 1 Rate 10.50 pence Tariff 1 Time 0600am New memory feature MS is a member of the WEEE Distributor Take Back Scheme. Recycling your electronic waste has never been easier! Click here for more information This product is not available for international delivery. Find out more