The meter is exceptionally simple to wire. Just link + to + and - to -. If you want to link it through an essential switch then link + to switch, switch to battery +, and - to -. Please let me understand if you have any other concerns I can help you with. Thanks once again.
12/24V blue digital volt meter. This voltage meter will give you a real time voltage reading from your batteries. You will never have to risk being stranded from your batteries going dead.
Display Color: Blue
Dimensions: 1.68" x 0.95" x 0.9"
Refresh Rate: 0.5 Second
Design: Waterproof, Dust-Proof, Shock-Proof