SM 10-1 & 10-2 Single Pole Voltage Detector

• Visual voltage indicator (High brightness red LED)
• Sound voltage indicator with a piezo-electric buzzer, no battery required (available on SM 10-2 only)
• Built-in self check button with a piezo-electric generator
• Telescopic insulating stick
• Made out of sturdy thermo-plastic moulded tubes
• For indoor use as well as outdoor use in dry conditions
• Delivered in a waterproof fabric case with a strap