... screw:6mmAUTO-LOCK: *OPITIONALAUTO STOP: YESBattery indicator: *OptionalApplied with high quality lithium-ion battery, all environmentally friendly, free of ... and reverse trigger, quickly release for workpieces.Applied with 10.8V=12V max high quality brands lithium-ion battery ... , no memory effects, Installed with ECP system protects the battery against overload, overheating, ...