The light body itself is a switch,easily On /off according to the side it slides to, push the light backward "ON", lamp is illuminate, backward "OFF", the lamp goes out.

Specifications
Material: ABS+ HIPS
LED bulbs: 12 LED Bulbs
Power Supply: USB Charging
Light Color: Yellow / White
Mode: Bright / Dim
Input: DC5V 450mA
Long life: approx. 100000 hours
Net weight: 300g
Product size: 19mm*62mm*96mm
Package Included
1 x Gravity Sensor ON-OFF Lamp
1 x USB Charger Cable
1 x User Manual

• 12 LED LIGHTS : soft, warm, yellow light through 12 LEDs. Comfortable on the eye. No UV or radiation. Mercury free
• 2 LIGHT MODES: equipped with bright and dim mode, controlled via a flick of a switch. Low power consumption and long lasting lifespan
• GRAVITY SENSOR: fun, creative design with gravity sensor. Turn on/off the light based the wording on/off wording displayed and the side the light tilts. Equipped with anti-skid rubber foot for a firm and sturdy grip
• RECHARGEABLE BATTERY: Built-in 450mAh polymer lithium battery, can be recharged for repeated use
• SAFE & ENVIRONMENTALLY FRIENDLY: comfortable on the eye. No UV or radiation. mercury free

12 LED LIGHTS : soft, warm, yellow light through 12 LEDs. Comfortable on the eye. No UV or radiation. Mercury freeSaebye