Monitor the running costs of up to three electrical appliances with this mains power meter. Consists of a master base station which receives RF signals from up to three remote mains socket senders. The senders simplyplug inline between your appliance and the standard GPO. The master unit is programmed with the local price per unit of electricity which then automatically displays running costs. In-built memory for storing cumulative running costs. Includes clock with alarm function. Includes base station and one GPO transmitter, 2 additional transmitters may be added if required. Requires 3 x AA batteries.

Feautres:
Monitor energy usage of up to 3 appliances at once 
RF wireless up to 30m 
Displays energy usage in kW/h or currency 
Clock with alarm function.