Speed:	Variable Speed 8,000-25,000 RPM<br>Certifications:	UL<br>Material:	Plastic Composite<br>Battery Voltage (V):	4<br>Model Number:	7760-N/10<br>Charge Time:	2 Hours, 45 Minutes<br>Contents:	7760-N/10 Kit<br>Battery Amp Hour:	2<br>Length:	7.5 "<br>Battery Chemistry:	Lithium Ion<br>Battery:	Lithium-Ion Battery<br>Height:	1.75 "<br>Width:	1.5 "