Power 105-130v ac; 60hz; 24 watts max with supplied pa251 power adapter; lc77 is an automatic capacitor and inductor tester; battery life 8 hours typical capacitor testing; good/bad indication functions on all test; requires user input of component type and value or input of desired limits; digital read type 0.45inches; 6 digit; 7 segment lcd; operating range 32 to 104 degrees f; range for specified accurac (after 10 minute warmup) 50 to 86 degrees f; size 6 in. H; 9 in. W; 11.5 in. D; weight 6 lbs. Without battery; 7.6 lbs with battery