Electric bicycle bell, 80-130DB anti-theft alarm adjustable bicycle horn

• Remote Control Four Horn Modes Bicycle ringtones include siren, horn, alarm clock, beep. You can choose your favorite ringtone. (Long press button 2 to switch the ringtone) The bicycle horn is 80-120dB, and the volume can be adjusted automatically. (Click the + button to increase the volume; click the - button to decrease the volume)
• Security and anti-theft Click the button in the upper right corner for 5 seconds to enter the anti-theft monitoring state; enter the anti-theft state with three-level sensitivity function (adjust + or - sensitivity); short press the unlock button to exit the anti-theft state. If someone pushes the cart, an alarm will sound. The speaker has a built-in anti-theft sensitive monitor, and it is normal to have debris inside.
• IP66 Waterproof & USB Charging High quality IPX6 waterproof electric bicycle horn, can be used in rainy days, very convenient and practical for your daily use; electric bicycle horn alarm adopts USB charging (charging method: charging socket, power bank, laptop. )
• Super Long Battery Life, Super Long Standby The bike horn is USB rechargeable and recyclable. Built-in 300mAh battery, fully charged for about 1.5 hours, can be reused 1000-1500 times, working for 20-30 days. (The charging light turns green to indicate the battery is fully charged)
• Easy to Install Easy to install, connect the bike horn siren and remote to the handlebar. The upgraded silicone strap is durable and secure, safe to use. The horn can be applied to all kinds of bicycles

What's in the box
1 x loudspeaker
1 x remote control
1 x USB cable