DM-20:Basic electrical kit. Use to measure voltage and check batteries. Great for measuring current on small electronic circuits. Includes rubber boot to protect meter from damage. AC/DC voltage, DC amperage measurement. Built-in test leads, no loose parts to lose. Resistance measurement. Audible continuity and diode tests. Tests 1.5V and 9V batteries. GT-11:Use to detect voltage in outlets, lighting fixtures, circuit breakers, wires and cables or to find a break in a wire. Safe, non-contact voltage detection. Bright LED and audible alarm sound if voltage is present. On/Off switch for longer battery life. Convenient pen-size device easily fits into pockets or tool pouches. GT-10:Use to trouble shoot 120 V AC grounded outlets. Light sequence indicates correct/incorrect wiring.
