Walk behind emission-free EM-2 to mow 1 hour on a single charge. Recharges in 5 to 8 hours. Equipped with seven-blade, contact-free cutting system. Cuts a 16-in. swath. Offers adjustable cutting height of 0.4 to 2.25 ins. Boasts rigid full-width handle with foam grip for operator comfort. Travels on 9-in.-diameter wheels. Onboard 24-volt power system uses two commonly available batteries. Overall weight is 39 lbs. (with batteries). Comes with grass catcher. Another model, MM-2 push reel mower, offers cutting height of 1 to 3 ins. Earth-friendly edgers also are available. Sunlawn, Fort Collins, Colo.