1. Colors: red, green, yellow, blue and multicolor.
2. There is a button at the bottom of the glass.
3. Presses button once to activate fast flashing, second time for slow flashing and third for stable light; presses again to turn it off.
4. The batteries are replaceable.
1. Customer’s designs are available. 2. Minimum order quantity: 1,000 to 1,999 pieces. 3. Lead time: 15 days. 4. OEM and ODM orders welcome.