CAT EYE STRADA SLIM, a wireless cycle computer that measures speed and distance. CC-RD310W - Model Name: Strada Slim - Type: Wireless cycle computer - Included: Mount, sensor, batteries - Display Functions: Speed, distance, time - Maximum Speed: 0 km/h - Display Functions: Speed, distance, time - Batteries: CR1616 (main unit), CR2032 (sensor) The cycle computer body is clean with no scratches. Cable ties: - 1 for speed sensor - 2 for mount [Operation confirmed] Speed sensor with new battery included. ★The main unit battery is installed, and the instruction manual and cable ties are included. You can install it immediately upon arrival.★★★★★★