Specifications name bicycle computer horn lampmodel bk 1920lamp bead 2 headlamp brightness 800 lumenslighting mode first gear 100 brightness of 1 led second gear 100 brightness of 2 leds if it does not move after 3 minutes it will become 60 brightness third stage 2 led brightness 60 fourth gear 2 led flash units effective range 200melectronic speaker approx 120dbheadlight working time 6hrs 12hrs headlights off odometer only working working time 3000hrsrechargeable battery 4000mahcharging mode usb chargingcharging time 4 hourssensor battery cr2032waterproof rating ip65weight about 145gsize about 110 40 35mmcolor red blue green blackfeatures 1 light mode bicycle headlights have four light modes 800 lumens high brightness you can choose the light mode according to your preference first gear 1 led 100 brightness second gear 100 brightness of 2 leds if it does not move after 3 minutes it will become 60 brightness third stage 2 led brightness 60 fourth gear 2 led flash units 2 loudspeaker 120 db treble loudspeaker to ensure your safe journey integrated speaker 3 kinds of sound 120db loud speaker long press spk button for 8 seconds to select the desired sound mode suitable for all kinds of users 3 stopwatch feature a bike speedometer that accurately records speed and distance can help you have more fun riding or easily achieve fitness goals 12 features bicycle computer max current average speed distance lighting lcd backlight
Specifications name bicycle computer horn lampmodel bk 1920lamp bead 2 headlamp brightness 800 lumenslighting mode first gear 100 brightness of 1 led second gear 100
