AR Automotive Relay Tester Features: 1. Support 12V and 24V two models.2. Uses vehicle"s 12 Volt and 24 Volt battery for power3. Support to 3, 4 and 5 pin relay - tests the 3 most popular automotive relays4. Support relay from cars, commercial vehicles and motorcycles 5. Quick off-the-car relay tester. Test by pressing> Work Voltage: 12V-40VWork Current: 1A maxWork Temperature: -40-80Product Type: PlasticVoltage display: LEDThe applicable signal: Car Signal Package List: 1pc x Tester Interface1pc x Battery Clip1pc x 3 pin cable3pc x 5 pin cable