ITEM NAME:LED Light AC Electric Voltage Tester Volt Alert Pen Detector Sensor 90~1000V Hot Features: A perfect tool kit for home and electric industry uses Ideal design for testing power cables, circuit breakers, wall sockets, junction boxes, fuses, etc Just press the button, white LED light can be always on when there is absence of voltage "Beep" sound and red flashing LED would indicate the presence of voltage Totally insulated, no exposed metal or conductive parts Long life and low power consumption Compact, safety and easy to carry Specifications: Material: ABS Color: Yellow+Grey Not including batteries Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you.Compact, safety and easy to carry. Also note that monitor settings may vary from computer to computer and may distort actual colors. Color: Yellow+Grey. Due to the difference between different monitors, the picture may not reflect the actual color of the item.