A pen-type voltage tester that can measure 100V and 200V voltages. Features an LED light and a selector switch. - Voltage Measurement Range: 100V / 200V - Function: With LED light - Switch: Selector switch (bare wire or insulated) - Design: Pen-type - Other: Sensitivity level can be changed Used, operation confirmed Batteries included, ready to use (Batteries are 2 x LR44) Thank you for viewing.