G99F 12V Electronic Automotive Relay Tester Universal For Cars Auto Battery Checker100% brand new and high qualityFeatures:Automotive relays test tool.Through the continuous automobile battery (11V-15V) to the relay coil, the detector can properly check the relay contact function.The tester observes contact data, closure time, relay inertia at each test stage, etc.Test to properly control the opening and closing of the relay.If the relay is abnormal the red LED will light, it's normal the green LED will light.Fine workmanship and good performance.Easy to operate.Convenient to carry.Durable in use.Specifications:Material: Plastic & MetalColor: Black & RedVoltage: 12VSize: approx. 110 * 60 * 28mmQuantity:1 pcNote:No retail package.Transition: 1cm=10mm=0.39inch.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes: 1 x Relay Tester(other accessories demo in the picture is not included.)