Material: Silicone, Plastic (ABS/HIPS) Sleep Lamp Modes: 1 Mode Information: Each sleep lamp has 3 settings. Steady On - The lamp is on constantly and the brightness can be adjusted by tapping the lamp. OFF - The lamp is off. 30 Minutes - The lamp is on for 30 minutes, after this time it will automatically turn itself off. During the 30 minutes the brightness can be adjusted by tapping the lamp. Rechargeable: Yes - On the base of the lamp is a charging indicator light. Charging - light on. Fully charged - light off. Charging Cable: USB C Type - Do not use the lamp while charging. Only use the cable provided with the lamp. Charging Time: Approximately 3-4 hours. Power/Battery: Lithium Rechargeable LED unit. DC5V 0.5A. 1200mAh/3.7V. Colour temperature 6500k. Cleaning: Wipe clean with a dry cloth to remove dust. Phone Stand: The lamp can also be used as a mobile phone stand by resting a phone on the legs and body of the lamp.