Features include: Electric chain brake, kickback brake, chain oil adjustment, oil capacity display window, brushless motor, compact and lightweight. Captive nuts prevent loss of nut when removing sprocket cover to replace guide bar or saw chain. Hanging hook and main power switch with auto power-off function. Standard equipment: Tool Only. Batteries and charger sold separately, 12" chain, 12" guide bar, chain cover, spike bumper, wrench 13-16, oil supply.