Features: 1. Wide measuring range: This plug-in voltage monitor measures AC 80-300V (110V, 220V) with low power consumption. 2. Flat plug design: Features a flat plug-in design that allows the voltage tester to immediately detect and measure current voltage when connected to a switch or wall socket. 3. Function: Helps monitor power supply to protect household appliances from damage caused by low voltage. 4. LCD display: Digital LCD screen with blue backlight for clear and easy reading, even in low-light conditions. 5. Applications: Suitable for measuring AC voltage in homes, offices, and industrial environments. 6. Durable construction: Made from high-quality ABS material, impact-resistant, eco-friendly, and flame-resistant. 7. Portable design: Compact size and lightweight for easy transport and storage. Note: Voltage meter only; other accessories shown in images are not included. Warm tips: 1. Keep the product out of reach of children. 2. Do not use in damp or wet environments. Specifications: Model: DM55-1 Measuring Range: AC 80-300V Measuring Error: 0.01 LCD Display Color: Blue Display: 3-digit screen Input Voltage: 110-220V Output Voltage: 110-200V Material: PC Size: Approx. 5.6 x 4.1 x 6 cm / 2.20 x 1.61 x 2.36 in Color: White Optional Plug Style: EU (220V), US (110V) Quantity: 1 Piece Notes: 1. Please allow 0-1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the images. Package includes: 1 x Voltage Meter