Milwaukee Shockwave™ Linemans 3 in 1 Utility Socket vendor_BRAMLEY CAT III 1000V IP rating ITEM NO JGAT0402 CAT III 1000V IP rating IP 67 Power Three AA batteries Battery life 800 hours General Specifications Display Bar graph backlight Yes Yes Data storage Min Max Avg Yes Reading hold Yes Other features Relative readings (zero) Yes Battery type Three AA batteries Warranty and protection Safety rating CAT IV 600 V CAT III 1000 V Mine safety MSHA Approved External protection Rubber holster Drop test 10 feet drop test Dustproof waterproof Yes which is correctly hardened and tempered with a satin chrome plated finish Push and Twist Barrel Lock eliminating the drop hazard of removing the socket from the adapter to change sizes