The Drive DeVilbiss Healthcare Envoy 4 Scooter features an impressive range of up to 30 miles on a full battery charge and a top speed of 4mph. All-round suspension, adjustable tiller, armrests and seat position ensure a comfortable ride for the user. The Envoy also includes a free-wheel switch which disengages the automatic brake, therefore the scooter can be manually pushed and manoeuvred.