Dimensions: 10.5 x 7 x 2.5cm/ 4.1 x 2.8 x 1.0inches(L*W*H); Color: Black
Net Weight: 142g
Package Content: 1 x PH Phase Meter
Powered By: 1 x 9V 6F22 Battery(not included)
Black Speaker Polarity Tester PH Phase Meter Phasemeter for Auto Car Perfect for safely troubleshooting and testing audio systems. This phase meter can test all speakers of all car, such as small treble, door speakers, subwoofer, etc. Note:Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is ±1-3 cm.