HENDUN SF03R Upgraded Bike Alarm Waterproof with Remote
HENDUN SF03R Upgraded Bike Alarm Waterproof with Remote


HENDUN SF03R Upgraded Motorcycle Alarm Waterproof Remote Control Motorcycle Door Vibration Anti-theft Anti-theft Door Unlock 113dB Strong Sensitivity Scooter Accessories Adjustable Vibration Sensor

stabilizing:

  • The alarm requires 3 AAA alkaline batteries (included) for 6-10 months in standby mode.
  • The remote control requires 12V/27Ah alkaline batteries (included) for over 1 year in standby mode.
  • Wireless range: 10-20 meters
  • Working environment temperature: -20 ~ 60 degrees
  • Alarm size: 65mm * 45mm
  • Remote control size: 58mm * 28mm * 11mm

Vibration sensor alert

  • Knocking on a bicycle, door, or window will trigger an alarm.
  • It can be used as a touch alarm, broken glass sensor alarm to prevent intruders and theft.
  • remote update
  • Toggle switch: When a vibration or vibration is detected, the alarm will trigger and beep.
  • Disarm button: Press this button to stop the alarm immediately.
  • Select the ringtone: Press this button to select the ringtone, you have 6 types of ringtones to choose from.
  • Vehicle Finder: Find your bike easily.

Adjust the touch sensitivity

Long press the disable button on the remote control until the LED light on the remote control lights up, then press the lever button to adjust the sensitivity up or down.

There are 7 different types of tones (do re mi fa sol la si) corresponding to different levels of sensitivity. Yes is the highest sensitivity level.

Conventional car alarm system

Conventional vehicle alarm systems require many cables and accessories, which is a laborious and time-consuming process.

installation plan

As a bicycle alarm, it can be mounted under the saddle or on the frame.

Packing and assembly tools

It comes with two zippers and two double-sided tapes for mounting the motorcycle alarm system, as well as a screwdriver to change the battery and an open case.

HENDUN SF03R Upgraded Bike Alarm Waterproof with Remote
HENDUN SF03R Upgraded Bike Alarm Waterproof with Remote


  • SUPER LOUD 113DB - Vibration triggers an audible alarm to deter thieves.
  • Adjustable Sensitivity - Highly sensitive vibration sensor, click 7 levels to push or scan.
  • EASY OPERATION - Controlled by upgraded remote control (power switch), vehicle search and SOS auxiliary functions are disabled. ASIN B084VTYF51 Second Remote Control
  • EASY AND WATERPROOF INSTALLATION - No wires or screws required, extra strong tapes and cables are provided for installation. IP55 waterproof design, can be used outdoors.
  • Small Size - 3.7" * 1.6" * 0.8" Exquisite and compact design, easy to conceal and install, suitable for bicycle/car/motorcycle/door/motorcycle locks.

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