Model: SP-1606
Rated Voltage:21V
Leveling Accuracy (Horizontal): ±1.5 mm / 7 m
Squareness Accuracy: 90° ±20″
Self-Leveling Range: > 4°
Power Supply: 21V (18650 lithium battery pack)
Operating Temperature: -10°C to 50°C
Storage Temperature: -20°C to 60°C
Tripod Mount (Bottom): 1/4″ and 5/8″
Net Weight (with battery): 790 g (including bracket)