Wireless Doorbell Powered a Batteries easy to install. Ideal as a Bell for Homes, Suites, Shops ... or as a calling device for the elderly. Protection level ÎP44 allows installation outdoors or in areas of poor humidity.
A device for taking display in metric units (kWh) is a direct measure of active energy in a single phase. A special electronic circuit under the influence of current flow and applied voltage generates impulses proportional to the energy absorbed. The power consumption phase is signaled by a flashing LED. The number of pulses is converted to the energy input, and its value is indicated by the LCD display (5 + 2).