Main Features:
5 modes: High > Mid > Low > Strobe > SOS
Dual section lithium battery drive
Suitable for MCE/T6/U2 LED
With electronic protection and memeory protection
Diameter: 24mm or so

Specifications
Specifications
Accessory Type: Driving Source
Product Weight: 0.008 kg
Package Weight: 0.050 kg
Product Size (L x W x H): 2.4 x 2.4 x 1.5 cm / 0.94 x 0.94 x 0.59 inches
Package Size (L x W x H): 4 x 4 x 3 cm
Package Contents: 1 x Driver Circuit Board