DescriptionThe Voltage Tester is designed for non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires.It is also excellent for non-contact detection of low voltage in security, entertainment, communications, environmental control, and irrigation systems. Our high intensity, bright LED indicates the tester is operational and aids in illuminating the work space.Features- Color: As shown. - Material: ABS. - Package Size: 18cm x 6cm x 4cm (7.09in x 2.36in x 1.57in). - Voltage Sensitivity: 12V to 1000V AC. - Frequency: 50-60Hz. - Alarm Mode: Sound and light. - Flash Light: White. - Auto Power Off: Yes. - Operating Temperature: 32 to 122F (0 to 50degree). - Storage Temperature: -4 to 140F (-20 to 60degree). - Humidity: < 85%RH. - Battery: 2 * 1.5V AAA Batteries (Battery not included). - This Voltage Tester Pen accurately detects AC voltage ranging from 12V to 1000V. - Pull type Battery Cover, easy to repalce the battery.- Automatically distinguish the Zero Line and Fire line. - Automatic selection of 3 kinds of sensitivity(High, Medium, low).- Small and compact pen, design for easy carrying.