5pcs Portable Home Safe Test Pen Electric Maintenance Tester Pen

Feature: 1. BRIGHT LIGHTS: Turn signal lights make work easier, stay visible in sunlight and last longer than regular bulbs 2. SMART CONTROL: Built-in smart motherboard chip, professional upgrade chip control program, safe electricity, starting from the core 3. PORTABLE PEN HOLDER: Comes with humanized pen holder design, easy to carry and electric maintenance 4. FOR CIRCUIT: Electrical maintenance test, screwdriver assist, add sound and light alarm function 5. LIVE NEUTRAL WIRE IDENTIFICATION: compact size, stable and reliable, waterproof and drop-resistant, insulation and no leakage Specifications: Item Type: Electric Tester Pen Material: ABS Measuring range: 24-250V LED Lamp Bead:Featured LED Lamp Bead Exposed bit length: approx. 16.5mm/0.65" Exposed bit width: approx. 3.5 mm / 0.14 inches. Battery model: 3 LR41 button cell batteries Capacity: 40mAh (single battery capacity) Package List: 5 x Electric Tester Pens