- Material: ABS+PP+silicone-2. Size: 79 * 79 * 164mm; Weight: 146g-3. Water tank capacity: 280mL; spray volume: 25-45ml/h-4. Applicable area: 31-40 square meters-5. Noise: less than 36dB-6. Timed humidification: automatic shutdown after continuous spray for 4h and automatic shutdown after intermittent spray for 8h