The Makita JR103DWAE features: Slide type Li-ion battery. Tool less blade clamp for reciprocating saw blade. Simply turn to remove the blade. Two switch levers with variable speed control; Trigger switch on tool handle & Paddle switch on tool body to make operation easier at any grip position for versatile applications by using either trigger. Lock-off function. LED job light. Electric brake. Shoe Adjustment. Equipped with Battery protection circuit: designed to protect the battery from damages due to over-discharge, high temperature or overload current. High power. Ergonomic handle for easy manoeuvring.