Are you looking for a professional, yet test pencil? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional test pencil must meet you needs. It is one of the for you. Features - Color: As shown. - Material: Plastic. - Size: 15.6 x 2.7 x 2.4 cm/6.1 x 1.1 x 0.9 inch. - Test voltage range: 12-1000V . - Frequency: 50Hz/60Hz. - Power supply: 2 x 1.5V AAA battery (not included). - Easy to use: the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there is voltage present. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energized circuits in the workplace or at home. - A perfect tool kit for home and electric industry uses. - design for testing power cables, circuit breakers, wall sockets, junction boxes, , etc. - Just press the button, white LED light can be always on when there is absence of voltage. - " " sound and red flashing LED would indicate the presence of voltage. Package list: 1 pen