Device set for assigning and identifying circuit breakers to the corresponding socket of the respective circuit, Optical and acoustic display, Consists of two units: transmitter and receiver, Receiver can also be used as a contactless voltage tester, Contactless voltage test from 110 V AC optical / acoustic, Weight: 266 g (including battery), Voltage range: 210 - 250 V AC, Frequency range: 50 Hz, Power supply: 9 V block (6LR61), Operating temperature: 5 degrees C to 40 degrees C / 41 degrees F to 104 degrees F, Storage temperature: -20 degrees C to 60 degrees C / 4 degrees F to 140 degrees F, Dimensions: 192 x 54 x 37 mm (receiver) / 95 x 52 x 35 mm (transmitter),
