1. Built-in battery, 1-2 months ultra long battery life depending on mode 2. 18dB ultra-low noise, quiet operation 3. Portable design with desktop and wall-mounted installation options 4. Oil diffuser with detachable and replaceable components Modes: 1. Blue light: Sprays for 2 seconds every 15 minutes, continuous 24-hour cycle 2. Green light: Sprays for 2 seconds every 30 minutes, continuous 24-hour cycle 3. Red light: Sprays for 2 seconds every 60 minutes, continuous 24-hour cycle 4. Green light (hold mode): Press and hold button for continuous spray, release to stop Battery capacity: 300mAh Charging port: Type-C Charge time: Approximately 40 minutes Oil capacity: 35ml Dimensions: 150 x 66 x 34mm Color: White Material: ABS Package Contents: 1 x Diffuser 1 x USB cable 1 set x Installation accessories Note: Light reflection and differences in display screens may cause slight color variations between the product image and actual item. Measurement allows an error of +/- 1-3cm.