Product dimensions: Lamp diameter 7.5 cm, height 4.5 cm Material: Brand new ABS plastic + PC Switch mode: Touch switch Charging time: 3-4 hours Continuous operating time: High brightness 5 hours, medium brightness 8 hours, low brightness 20 hours Charging port: USB fast charging Weight: Approximately 120g Product dimensions: Lamp diameter 7.5 cm, height 4.5 cm Package includes: One lamp, one 3M base, one data cable, and a user manual 1. Memory function: After 30 seconds of illumination, the lamp turns off with a short press. The lamp retains the current brightness when turned on again. 2. Flicker-free light. 3. The lamp is magnetically attached to the base and can be rotated 360° for adjustment. 4. The base has 3M adhesive and can be attached to any smooth surface, eliminating the need for installation. 5. USB charging, no wiring required. 6. Red light during charging, green light when fully charged. Power levels: 3: Short press: Low, Medium, High, Off. Long press for 2 seconds: 3 color temperatures. Memory function: Light for 30 seconds, then turn off with a single press.