SD-565B Features: Wired Bicycle speedometer with LCD display, easy to use.Monitor your bikes' speed, distance and riding time. Perfect to use when riding. Ideal companion for your riding. Easy operation and durability make it popular with people. Durable and water-resistant for use in all conditions.Functions: SPD: CURRENT SPEED TOT-ODO ODOMETER(0-99999km/m) TRPDIST TRIP DISTANCE TRITIME TRIP TIME MAX Max. speed AVS average speed DST: TRIP DISTANCE MXS: MAXIMUM SPEED AVS: AVERAGE SPEED CLK: CLOCK (12H/24H) STPWTCH; STOPWATCH SCAN CAL(0 ~ 99999Kcal) FAT BURN 999.9Kg COMPARATORMAINTENANCE ALARM SET KM/MILE SETTING SPEED SCALE: (km/h, m/h) SET WS: SETTING THE LAST VALUE OF ODMETER SET-DOD SETTING TYRE CIRCUMFERENCE: (0mm-9999mm) SET KG: SETTING RIDER'S WEIGHT +""COMPAPATOR SETTING SPEED SCALE: (km/h, m/h) SETTING TYRE CIRCUMFERENCE: (0mm-9999mm) FREEZE FRAME MEMORY ALARM MAINTENANCE ALARM AUTO ON/OFF Descriptions: With this bicycle computer, you can manage your riding life more scientific and more reasonable. With mounting accessories for firm installation. Battery powered by 2 pcs CR2032 batteries(built-in) Specifications: Brand: SUNDING Model: SD-565B Dimension: 50*41*28mm Color: black Material: ABS Package included: 1 x Stopwatch 1 x Bracket 1 x Magnet 3x Ties Notes: Please allow 0-2mm error due to manual measurement, thanks for understanding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you. SD-548B Features: Wired Bicycle speedometer with LCD display, easy to use.Monitor your bikes' speed, distance and riding time. With mounting accessories for firm installation. With this bicycle computer, you can manage your riding life more scientific and more reasonable. Easy operation and durability make it popular with people. Durable and water-resistant for use in all conditions.Functions: SPD: CURRENT SPEED ODO ODOMETER(0.001-99999km/m) DST: TRIP DISTANCE MXS: MAXIMUM SPEED AVS: AVERAGE SPEED TM ELASPED TIME CLK: CLOCK (12H/24H) STPWTCH; STOPWATCH SCAN FAT BURN 999.9Kg +""COMPARATORSET KM/MILE SETTING SPEED SCALE: (km/h, m/h) SET-DOD SETTING TYRE CIRCUMFERENCE: (0mm-9999mm) SETTING THE LAST VALUE OF ODOMETER / ODO FREEZE FRAME MEMORY AUTO ON/OFF Descriptions: Ideal companion for your riding. Perfect to use when riding. Battery powered by 2 pcs CR2032 batteries(built-in) Specifications: Brand: SUNDING Model: SD-546B Dimension: 46*46*33mm Color: black Material: ABS Package included: 1 x Stopwatch 1 x Bracket 1 x Magnet 1 x Rubber Ring 6 x Ties Notes: Please allow 0-2mm error due to manual measurement, thanks for understanding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you. SD-563A Features: Wired Bicycle speedometer with LCD display, easy to use.With mounting accessories for firm installation. With this bicycle computer, you can manage your riding life more scientific and more reasonable.Ideal companion for your riding. Easy operation and durability make it popular with people. Durable and water-resistant for use in all conditions.Functions: SPD: CURRENT SPEED ODO ODOMETER DST: TRIP DISTANCE MXS: MAXIMUM SPEED AVS: AVERAGE SPEED TTMTOTAL TRIP TIME TM ELASPED TIME RAT RIDING ALL TIME CLK: CLOCK (12H/24H) STPWTCH; STOPWATCH TM UP TRIP TIME UP TM DN TRIP TIME DOWN +""COMPARATORMAINTENANCE ALERT CARE REMINDER OVER-SPEED REMINDER SETTING TYRE CIR FREEZE FRAME MEMORY AUTO ON/OFF Descriptions: Perfect to use when riding. Monitor your bikes' speed, distance and riding time. Battery powered by 2 pcs CR2032 batteries(built-in) Specifications: Brand: SUNDING Model: SD-563A Dimension: 57*41*33mm Color: black Material: ABS Package included: 1 x Stopwatch 1 x Bracket 1 x Magnet 6 x Ties Notes: Please allow 0-2mm error due to manual measurement, thanks for understanding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you. SD-565B SD-546A SD-546B SD-563A