1.bulb:0.5wled
2.size:20x20x53mm
3.weight:19g
4.battery type:60 Amh Ni-MH
5.color:red,bule yellow
6.material:plastic
FUNCTION & FEATURE:
•charged by USB charger
•waterproof :IP64
•switch: rotary switch
•Fashion design, mini keychain,portable