125Amp 100Volt Inline Power Meter - Read Volts, Amps, Watts, Battery Percentage - by BOAB This BOAB inline power meter provides a convenient way to measure Volts, Amps, Watts, and Battery Percentage of 12 Volt, 24 Volt, and 48 Volt devices while on camping trips, in your 4*4, Boat, Caravan, or RV. It can be carried or permanently mounted. It features an easy-to-use design. Simply touch the display to turn on the readings. It is easily mountable on most surfaces with only two screws. Key Features: The power meter is ideal for use with solar panels, batteries, and fridges The display turns off automatically after 30 seconds Simply touch the display to turn on readings Mounts easily to surfaces with 2 screws Unique input/output designed to suit 50Amp connectors One-piece body with no messy cables Backlit display fo easy reading day and night Manufactured using UV stabilized polycarbonate for extra durability Splashproof