✅ 1. Kindly be noted: please slowly tune Elevation and Windage interactively, only one direction may lock or damage the threads.
✅ 2. The DF-1063 is an ultra-compact red laser sight with rechargeable battery, which can be charged with an magnetic USB cable conveniently.
✅ 3. The blue laser output is class IIIA, ✅ 4. You need to know: the red laser sight requires 21±0.5MM width rail with cross slot, or it will not fit. The red laser output is .

SPECIFICATIONS:
Product Type: Rail Mounted
Batterry Included: Yes
Compatibility: Pistols, Rifles and Shotguns with Versatile Rails
Product Size (in.):2.15″L x 1.10″W x 1.00″H
Power Supply: Magnetic USB Rechargeable
Laser Output: Class IIIA， Maximum Range: 50-100 ft in the day, 600-1000 ft in the night

PACKAGE LIST:
1 x Blue Laser Sight
1 x User Manual
1 x Magnetic USB Cable
1 x Allen Key
1 x Coin screw driver