Ryobi ZRHP54L 4-Volt Lithium-Ion Screwdriver Kit (Certified Refurbished) This Certified Refurbished product is tested & certified by Ryobi to look and work like-new. The product includes all original accessories, and is backed by a 1 Year warranty. Removable TEK4 Lithium-Ion Battery included 2-Speed gearbox (200/600 RPM no load speed) for a wide range of applications 1/4 in. hex collet for fast and convenient bit changes Tri-Beam LED provides optimum illumination and eliminates shadows on work surface