Specifications: Brand SUNDINGModel 605 Name High Decibel Anti-theft Bike Alarm Color Black Size 44 x 45 x 51mm Material Reinforced Plastic Waterproof Yes
Features: Lightweight & compact size with high design, safe & easy to operation. Beautiful appearance, exquisite workmanship & life waterproof design. Password from control, easy tooperate. Easy to install, fits for most of types of mountain bike & road bikes. Package Included:1 x Bike Alarm Horn
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Specification: Brand SUNDINGModel 689 Material PC+TPUProduct Size (L x W x H): 106x 66.5x 43.5mm Install the diameter 31.8mm

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Specification Brand INBIKEModel SD-520 Material ABSWaterproof Yes Color Black Length adjustment range 70-120CMSize 28x 35x 10MMBattery 1x CR2032 Battery Weight 66g Language English
Features:bluetooth 4 low power transmission, use with APP to achieve data wireless transmission. Waterproof & anti sweat, easy to clean. Equipment requirements: for Android 4.4 & above, for IOS phone with supporting bluetooth 4.0. Suitable for sports riding / cycling. Package Included:1 x Intelligent bluetooth Heart Rate Belt
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Specification: Brand Sunding Model SD-521 Material ABSWaterproof Yes Color Black Length adjustment range 70-120CMSize 28*35*10MMBattery 1x CR2032 battery Weight 66g Language English Compatibility All Compatible Applicable People Adult
Features:bluetooth 4 low power transmission, use with APP to achieve data wireless transmission. Waterproof & anti sweat, easy to clean. Equipment requirements: for Android 4.4 & above, for IOS phone with supporting bluetooth 4.0. Suitable for sports riding / cycling. Package Included:1 x Intelligent bluetooth Heart Rate Belt
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Only US$13.99, buy best sunding sd-548c wireless digital bike computer bike speed meter multifunction sensors bicycle computer speedometer sale online store at wholesale price. ...

Specificatioin: Brand SUNDING SD-577 A Material Engineering Plastics ABS Electronic Components Display LCD display Size 7.2*4.5*1.2cm Power Head button battery CR2032*2 Weight 88g
Features: Smart chip, stable performance. Waterproof, it will not be affected in rainy days. Backlight, it is clear day or night. Multifunction, easy to operate. Lasting endurance. Eight languages. Package included:1 x Bike computer 1 x Base sensor line + line control button 1 x Rubber gasket 1 x Magnet 1 x Manual 1 x Screwdriver 6 x Cable
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Specification Brand SUNDINGModel SD-579 Backlight Color Green Speedometer Color Black Package Size 15cm x 10cm x 10cm (5.91in x 3.94in x 3.94in) Material ABSPackage Weight 0.4kg (0.88lb.) Application MTB, Road Bike, Fixed Gear Functions 1. Speed (0~99.9km/hm/h)2. Total distance / total ODO (0~9999km/h)3. Day Distance DST4. Max Speed MAS5. Average Speed AVS6. Ride Time TM (0~9999km/m)7. Tot Time TTM (0~9999hrs)8. Temp (-20℃~70℃)9. Max Temp MAT10. Min Temp MIT11. Stopwatch 12. Trip DN13. Time DN14. Gear Ratio RAT15. Calorie CAL16. Fat Burn FAT17. Panoramic Display Mode 18. Cycle Mode 19. Clock (12/24H)20. Date (YY/MM/DD/WW)
Features: Anti signal interference. Multi-language setting (Germany, France, Netherlands, Italy, Britain, China, etc.) Bicycle odometer with LCD backlight. Portable, durable & convenient. Easy to read LCD display with large screen. Easy to install firmly with mounting accessories. Perfect to use when hiking, climbing, riding & other outdoor actives. Ideal assistant for bicycle training. Time display function, also can be used as a watch wonderful gadget for traveling. Package Included:1 x Bicycle Computer 1 x Magnet 1 x Mounting Shoe 1 x Wired Remove Control 1 x Wireless Sensor 1 x Ties 1 x Manual
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Specification Brand SUNDINGModel SD-581 Speedometer Color Black Package Size 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in) Material ABSPackage Weight 0.15kg (0.33lb.) Application MTB, Road Bike, Fixed Gear Functions 1. SPD Current Speed 2. ODO Meter (0, 001~99999km/m)3. DST Trip Distance 4. MXS Maximum Speed 5. AVS Average Speed 6. TM Elapsed Time 7. CLK Clock (12h/24h)8. +
- Compapator 9. Setting Speed Scale (km/h, m/h)10. Setting Tyre Circumference: (0mm~9999mm)11. Setting the Last value of Odometer/ ODO12. Auto on/ off
Features: Portable, durable & convenient. Easy to read LCD display with large screen. Easy to install firmly with mounting accessories. Perfect to use when hiking, climbing, riding & other outdoor actives. Ideal assistant for bicycle training. Time display function, also can be used as a watch wonderful gadget for traveling. Package Included:1 x Bicycle Computer 1 x Magnet 1 x Mounting Shoe 1 x Wired Remove Control 1 x Ties 1 x Manual

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Specification: Brand Sunding Material Plastic Color Black Size 6cm (Length)*4.2cm ( Diameter) Length of cable: 18cm Battery 4x AG13 Funcations Loud Alarm One key Control Password controlled Vibration Alarm Passoword Change Waterproof
Features:1. One Key Control, Easily install & compatible with all bikes including road bikes.2. Security Surveillance: If the Bicycle is shaking, the horn will sound an alarm for 15 seconds.3. Password Change Function.4. Waterproof, Ultra-loudclear sound.5. Easy & safe to use when braking. Operate Instructions:1. Security Surveillance Press the 0button for 2 seconds, the alarm will sound a tickafter the first second, & double tickafter the second seconds, then release the button. After 3 seconds, a long sound of tick will appear, Which means Surveillance begins. If the bicycle is shaking during the period, the horn will sound an alarm for 15 seconds, when the alarm stops it still in the Surveillance state. If the bicycle shakes again, a further 15 seconds alarm will follows.2. Password Change Press the 3 button for 3 seconds, the alarm will sound a tick, then input the old password (default setup is 0000), after two short sound of tick, input the new password. (note: the password is a four-fingure number)3. Password lost Remove the battery for 10 seconds & reinstall it, the password will be back to the default one of 0000 Package Included:1 x Alarm 2 x Ties
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