Specification: Item Type: Bike Wireless Odometer Model: BC235 Mode: OSO Accumulates Bike Distance 1 Or 2 TO Accumulate The Bike Distance Of 1 Plus 2 DST Records And Accumulates Daily Cycling Distances, Average / Maximum Speed: Speed And Tilt Speed Comparator Clock: Cycling Time Temperature: Calories Burned And Fett Burned Scan Function Rhythm Mode: Current / Average / Maximum Pedal Frequency, Scan Function Heart Rate MOE: Current / Maximum / Minimum Heart Rate, Warning Of Target Area And Target Area, Scan Function Material: ABS Weight: Approx.130g / 4.6oz Battery: Lithium Manganese Button Battery Battery Model: 3 x CR2032 Battery (Built In Battery Delivery) Battery Capacity: 200mAh Display Size: 6.6 x 4.7 x 2cm / 2.6 x 1.9 x 0.8in Sensor Size: 3.5 x 4cm / 1.4 x 1.6in Package Size: 15.2 x 14 x 4cm / 6.0 x 5.5 x 1.6in Package List: 1 x Bicycle Wireless Code Table 1 x Manual 8 x Cable Tie 1 x Installation Guide Manual 1 x Speed Sensor 1 x Sensor Sponge Pad 1 x Base 1 x Base Rubber Pad 1 x Connection Sensor Pad 1 x Accessories Note: betweendiv>1. Be careful to turn off the switch when not in usebetween/div>betweendiv>2. Charging when the battery is lowbetween/div>