Button up - On-Off Lamp itself is a large switch, dump to ON to turn on the lights, dump to OFF to turn off the light. There are two modes: bright light and dim light. The built-in lithium battery can be used for charging. Two types - The lamp is available in two types of light: white light and yellow light. The yellow light is soft and warm color, making it suitable for calming nighttime, comforting light, or soft low ambient lighting for the night. Charging status - When plugged in, the switch blinks twice, indicating that it is in charging status. Packaging Green - kraft paper packaging is used, representing a simple way of life.