The Scentreat Lantern Diffuser is an 80 ml ultrasonic essential oil diffuser and 7-color night light, with a ribbed lantern shade on a wood-grain base. It runs on USB power, has a 30-second on/off, 1-hour and 2-hour timer with auto-off, stays under 35 dB (manufacturer spec) and suits rooms of up to about 320 sq ft (15–30 m²).