Smart Wireless Remote Control Bike Bicycle Alarm Siren Shoion Sensor Cycling LoNon-theft Guard Burglar Alarm

GTUBIKE Smart Wirele Remote Control Bike Bicycle Alarm Siren Shoion Sensor Cycling LoNon-theft Guard Burglar Alarm

Feature:????A waterproof alarm can fit rainy weather, more durable and useful.????Super loud and easily anti-theft. Prevent your shop, office, home, car, bicycle, etc. from thefts.????Convenient to operate and install with several screws.????Wirele ion alarm with infrared remote controller.????More than 10 meters effective induction distance of remote control and alarm terminal, up to 30 meters in open area.How to use:????Default code " ABCA"????Code Change. When unit not work.????Pre 'A' for 3 seconds and you will hear a short ' Di' sound, input old code, you will hear a 'DiDiDi' sound if correct. Then you should input your 4 digital now code not later than 5 seconds, you will hear a 'DiDiDi' sound if succe. If you input the wrong old code or failded to change the code, you will hear long 'Di' sound. Then you should repeat the pre.????If you take out the battery exclude 30s. it will go badefault code automatic.????Default sensitivity: middle????Sensitivity adjust. When the unit not work, pre " C " and hold on until you hear( you should loose your hands after you hear each sound):????Di=High sensitivity; DiDi=middle sensitivity ; DiDiDi=low sensitivity????Set alarm. Pre " B " for 3 seconds, you will hear a ";Di" sound then the unit will work after 5 seconds delay.????Relieve alarm. Input your 4 digital code then you will hear a " DiDiDi" sound if correct. If input wrong code, you will hear a long "Di" sound.????The key pad will be locked for 3 minutes if you input the wrong code 4 times in succeion, and will resume 3 minutes later.????When triggered alarm had already sounded for 5 times, If triggered again within 5 seconds , it will sound continuously for 15 seconds. I'm sure so powerful function must can protect your bicycle effectively.Specifications:????Name: Bicycle Anti-Theft Alarm????Material:Plastic????Suitable For:Bicycle????Sensor Type: Sensor????Power Supply:9V Battery(Not Included)????Alarm Volume:110dB????Size:9.8x6cm/3.9x2.4in????Color:BlackPacking included:????1Pcs * Bicycle Anti-Theft Alarm(Without battery)Note:????The above sizes are all manually measured, there may be some errors for reference only,please refer to the actual product!????Due to the light, the color may be slightly different from the real color.