Before using, please read the following terms carefully: 1. Ensure the needle tip is upright and no objects are touching 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 should not exceed 30°C, humidity should not exceed 80%. Power: Less than 10–15W Input voltage: AC 220V, 50Hz/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 variation may occur between the actual product and the image, but this does not affect functionality. Voltage: AC 220V Color: White Material: Plastic + Metal Package Contents: 1 x Negative Ionizer (Other items not included) Note: Lighting and display differences may cause slight color variations between the product image and the actual item. Measurement error allowance: ±1–3 cm.