Marvel MT-6100L Acoustic Illuminating Voltage Detector with Built-in LED Light

● AC Low-Voltage Voltage Detector ● Voltage detection possible even on the cord ● Minimal sensitivity difference between bare and coated tip ● Conductive rubber tip prevents short circuits Body Size: 130mm L x 22mm W x 24.5mm D Body Weight: Approx. 22g (including batteries) Batteries Used: Two LR44 (1.5V) alkaline button batteries Battery Life: Approx. 10 hours continuous operation (LED off), Approx. 5 hours continuous operation (LED off), Approx. 1.5 years idle Test Voltage Range: 50-600V AC (50/60Hz)