♥ 【Good Performance】Low consumption and long standby time.
♥ 【Bike Chain Lock】Works for iOS and Android system, just lock and unlock your bike or motorcycle with your phone (for Android 4.3 and for above systems).
♥ 【Security Lock Features】Designed with 110dB alarm function, effectively frighten the thefts can use both indoors and outdoors.
♥ 【Wide Application】Anti cutting,anti disassembling,removing alarm,vibration alarm. Perfect for all bikes,motorcycles,door etc.
♥ 【Good Quality】Made of ABS plastic and high dense copper, it's durable and waterproof, strong anti-theft high quality material.