Before using, please read the following terms carefully: 1. Ensure the needle tip is upright and no objects touch it. The power supply button has a line indicating the ground wire. Do not connect the ground wire to the plate, as being too close may cause arcing and lead to burning. 2. Do not touch the needle tip with any objects while in operation. 3. To prolong product lifespan, use with a fan. Continuous working time should not exceed 1 hour. Intermittent use is recommended: operate for 1 hour, then rest for 5–10 minutes. 4. Operating environment: temperature must not exceed 30°C, humidity must not exceed 80%. Power: Less than 10–15W Input voltage: AC 220V, 50/60Hz Output voltage: DC 15kV ± 0.5kV Negative ion concentration: 200 million/cm³ Plug type: EU plug (compatible with Indonesia, Germany, France, Spain, Italy, etc.) Slight color variations may occur between the actual product and images, which does not affect functionality. Voltage: AC 220V Color: White Material: Plastic + Metal Package Contents: 1 x Negative Ionizer Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement error allowance: ±1–3 cm.