The Super Ranger MUTT from Innovative Products of America is a self-contained, ultra-portable electrical and ABS trailer tester. This easy-to-use, remote-controlled trailer tester with advanced ABS and trailer light diagnostics includes an internal lithium battery, is microprocessor controlled, and features ideal current sensing, computer-controlled circuit protection, live circuit monitoring with automatic pass/fail calculations, as well as digital voltage and amperage draw readout. The Super Ranger MUTT offers full diagnostic capabilities while working onsite, offsite, or in the field, making trailer testing, fast, easy, and convenient.