Specifications: - Can make the machine running time set: 5s, 10s, 15s, 20s, 25s, 30s, 35s and 40s. - Input: 110V-240VAC 50-60Hz. - Variable output: DC4.2V 1A. - Lithium battery voltage: DC3.7V. - Lithium battery capacity: 1500 mah. - Output optical power avelength: 420-480nm. - The output light intensity: 1200 mw/cm2. - Wireless. - Long standby time is more efficient. - Function key: On/Off button. - Turn on or off the LED Blue light output. - The output light intensity: 1200-1400 mw/cm2. Pack contains: - 1 x Curing lamp. - 1 x Large capacity rechargeable battery. - 1 x Charger. - 1 x Charger socket.