... , light and handy molding design2. Hand-held and fixed dual-use two design, freely to adjust to any angle position3. Unique ... light intensities, suitable for more brands tooth whitening gel6. LED screen shows all the information, all the operation is so easy7 ... /cm25. Adjustable timer:1m, 5m, 8m, 10m, 15m, 30m dental laser Whitening Machine