TESTO 745 non-contact voltage tester features LED flashlight, two sensitivity levels, low pass filter,visual and audible indication and differentiates live from neutral in AC outlets. Measurement category: CAT IV 600 V, CAT III 1,000 V Dimensions H 155 x W 25 x D 23 mm IP Rating IP67 Power Supply 1 x AAA Battery (Supplied) Type Voltage Detector Voltage 12 to 1000 V AC Weight 63 g Filter for high-frequency interference signals Adjustable sensitivity Visual and acoustic signal Waterproof and dustproof according to IP 67 Measuring point illumination Technical data Voltage testing:12 to 1,000 V AC Measuring point illumination : Measurement category CAT IV 600 V CAT III 1,000 V Protection class IP 67 Operating temperature -10 to +50 C Storage temperature -15 to +60 C Dimensions 155 x 25 x 23 mm (L x W x H) Weight 63 g Authorizations CSA, CE Standards EN 61326-1, EN 61010-1