<p><span style="font-size: 18px;">Function:<br/>1.Essential tool for car: This auto relay tester is an indispensable tool for any car owner or mechanic.&nbsp;<br/>It can detect 4-pole/5-pole automotive relays and operates with 12/24 V voltage. Are you using this portable tester?&nbsp;<br/>ensure that the relays of your vehicle are correct?? work.<br/>2.Practical battery operation: For operating this portable electronic car battery tester?&nbsp;<br/>ts are two 18650 batteries with high capacity? t (not included) required.&nbsp;<br/>With no external power source required, it offers continuous use and is perfect for on-the-go repairs and mobile maintenance.<br/>3.Accurate and fast results:&nbsp;<br/>The diagnostic tool for alternator analyzers is easy to use and provides accurate measurement results quickly.&nbsp;<br/>Whether you are a driver, mechanic or someone who can keep control of the maintenance of your vehicle?&nbsp;<br/>This tool is indispensable. Do you get reliable in the shortest time? results.<br/>4.Portable and compact: This electronic relay tester is compact and lightweight and? first portable.&nbsp;<br/>It fits easily into your briefcase or backpack and erm? fast diagnosis of vehicle problems.&nbsp;<br/>Take it with you whether you are in the garage or on the road.<br/>5. Durable and reliable? sig: This car battery tester, made of high-quality ABS material, was it?&nbsp;<br/>ensures durability and reliability? (b) It h? lt withstood heavy stress and serves as a useful and durable tool in your tools.&nbsp;<br/>Do you meet all your automotive requirements with this reliable? test.<br/><br/>Specification:<br/>Origin: Mainland China<br/>Product size?? e: 197.00 x 95.00 x 27.00 mm/7.76 x 3.74 x 1.06 inch<br/>Battery: 2x18650 Batteries (not included)<br/>Note:<br/>Due to the different monitor and light effect, the tats can?<br/>color of the item slightly differ from the color shown in the pictures. Thank you very much!<br/>Please allow 1-2 cm measurement deviation due to manual measurement.<br/>Delivery content:<br/>1 x Auto Relay Tester<br/>1 x English Manual</span></p>