Non-contact Alarm AC Voltage Detector Meter Tester Pen Electric Indicator Sensor Test Pencil Electrician Tools       Feature:       -Application: It is very suitable for circuit inspection and electrical maintenance, and can be used for checking lights, checking motors, etc.       -Material: Made of ABS insulating plastic, with high hardness, wear resistance and durability.       -Comfortable grip: The insulated handle conforms to ergonomic design and is comfortable to hold.       -Non-contact detection: Electricity test can be carried out without touching the measured object, which is safer and easier to use.               Specification:       Material: ABS       Color: Yellow       Size: 144 * 26 * 16mm/5.67*1.02*0.63in       Battery: 3 * AG10 (1.5V) (not included)       Examination range:       AC voltage range: AC 90-1000V (red indicator light is on) / AC 24-1000V (green indicator light is on)       Frequency range: 50~500Hz       Alarm mode: sound and light alarm       Low voltage reminder: Neutral line/fire line judgment:        Adjustable sensitivity              Note:       Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you        Please allow 1-3mm measuring deviation due to manual measurement.