Charger included.
Dimensions: φ26.5*118mm
Wavelength: 532nm
Output Power: 50mW
Class: IIIB
Output Mode: Constant Wave
Dot Size: 10M <φ18MM
Operating temperature range:+15℃～＋30℃
Storage temperature range:-10℃～＋40℃
Batteries: CR123A X 1
Operating Voltage    DC=3.0~3.7V  
Operating Current   <450mA