Introduction
The DAYTECH Vibration Sensor Alarm (Model VS08WH-2) is designed to enhance the security of your home or office. This device detects vibrations caused by attempted intrusions on windows, doors, safes, or drawers, and alerts you with an adjustable alarm. Its advanced features, including 5-level sensitivity adjustment and two operating modes, help minimize false alarms while providing reliable protection.
Product Features
- 5-Level Sensitivity Adjustment: Reduces false alarms from minor disturbances like wind, allowing precise tuning for different environments and applications.
- Adjustable Volume (0-110dB): Customize the alarm volume across 5 levels to suit your needs, from a subtle chime to a loud deterrent.
- 2 Operating Modes: Easily switch between a 'Chime Mode' for visitor notification and an 'Alarm Mode' for security alerts.
- LED Low Battery Notification: An LED lamp blinks red when the battery level is low, ensuring you are aware and can replace batteries proactively.
- Setting Memory Function: Automatically saves your last volume and mode settings, eliminating the need for frequent reconfigurations.
- Tool-Free Battery Replacement: Designed for easy battery access from the front without requiring any tools.
- Versatile Application: Suitable for windows, doors, safes, drawers, refrigerators, and suitcases, providing comprehensive security.
Package Contents
Please verify that all items are included in your package:
- Vibration Sensor Alarm Unit (2 units)
- AAA Batteries (4 units)
- Double-sided Tape (2 units)
- Instruction Manual (1 unit)
Note: The number of sensor units and batteries may vary depending on the purchased set.

Image: Contents of the DAYTECH Vibration Sensor Alarm package, including the main unit, batteries, double-sided tape, and manual.
Product Overview

Image: Detailed view of the DAYTECH Vibration Sensor Alarm, highlighting its components and controls.
- Power Switch (ON/OFF): Controls the device's power.
- Volume Adjustment: Button to cycle through 5 volume levels.
- Sensitivity Adjustment: Button to cycle through 5 sensitivity levels.
- Mode Switch: Button to toggle between Alarm Mode and Chime Mode.
- Speaker: Emits alarm or chime sounds.
- LED Indicator: Displays operational status and low battery warning.
- Battery Cover: Provides access for battery replacement.
Setup and Installation
The DAYTECH Vibration Sensor Alarm is designed for easy, tool-free installation.
- Insert Batteries: Open the battery cover on the front of the unit. Insert two AAA batteries, ensuring correct polarity. Close the battery cover securely.
- Choose Location: Select a clean, dry, and flat surface on the window, door, safe, drawer, or other object you wish to protect. Ensure the surface is free of dust and grease for optimal adhesion.
- Attach with Tape: Peel off the protective film from one side of the provided double-sided tape and apply it firmly to the back of the alarm unit. Peel off the other side of the film and press the alarm unit firmly onto the chosen surface for at least 30 seconds.
- Power On: Slide the power switch to the 'ON' position. The LED indicator will briefly light up, indicating the device is active.
Tip: For best performance, install the alarm on the frame or glass of the window/door, or directly on the surface of the object to be protected.
Operating Instructions
1. Sensitivity Adjustment
The alarm features 5 levels of sensitivity to prevent false alarms from minor vibrations. Adjust the sensitivity according to the installation environment.
- Press the Sensitivity Adjustment button to cycle through the 5 levels.
- Level 1 (Low): Detects only strong impacts, suitable for environments with frequent minor vibrations (e.g., safes, drawers).
- Level 3 (Medium): Ideal for general daily use on doors and windows.
- Level 5 (High): Detects even slight vibrations, suitable for critical areas or window glass (e.g., detecting glass breakage).

Image: Visual guide to the 5 sensitivity levels and their recommended uses.
2. Volume Adjustment
The alarm volume can be adjusted from 0dB (silent) to 110dB (loud) across 5 levels.
- Press the Volume Adjustment button to cycle through the 5 volume levels.
- Choose a volume appropriate for your environment and purpose.
3. Mode Switching
The alarm offers two distinct operating modes:
- Press the Mode Switch button to toggle between modes.
- Alarm Mode: Emits a loud alarm sound upon detecting significant vibration, ideal for deterring intruders.
- Chime Mode: Emits a gentle chime sound upon detecting vibration, suitable for notifying you of visitors or when a door/window is opened.

Image: Controls for volume and mode selection, illustrating the two available modes.
4. LED Indicator
- Normal Operation: The LED indicator will show a blue light.
- Low Battery: When the battery level is low, the LED indicator will blink red, signaling that batteries need to be replaced soon.

Image: The LED indicator showing normal (blue) and low battery (red) states.
Battery Replacement
When the LED indicator blinks red, it is time to replace the batteries.
- Power Off: Slide the power switch to the 'OFF' position.
- Open Battery Cover: Gently slide open the battery cover located on the front of the alarm unit. No tools are required.
- Replace Batteries: Remove the old AAA batteries and insert two new AAA batteries, ensuring the positive (+) and negative (-) terminals are correctly aligned.
- Close Cover: Close the battery cover securely.
- Power On: Slide the power switch back to the 'ON' position. The alarm will retain its previous settings (volume and mode) due to the memory function.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm does not sound. | Device is off. Batteries are dead or inserted incorrectly. Sensitivity is too low. | Ensure power switch is ON. Replace batteries or check polarity. Increase sensitivity level. |
| False alarms occur frequently. | Sensitivity is too high. Device is installed on an unstable surface. | Decrease sensitivity level. Reinstall on a more stable surface. |
| LED indicator blinks red. | Low battery. | Replace batteries with new AAA batteries. |
| Cannot change volume or mode. | Buttons are stuck or malfunctioning. | Ensure buttons are not obstructed. If issue persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | DAYTECH |
| Model Number | VS08WH-2 |
| Product Dimensions (L x W x H) | 10 x 4 x 3 cm |
| Sensor Technology | Vibration Sensor |
| Mounting Type | Window Mount (Adhesive) |
| Power Source | AAA Batteries (2 per unit) |
| Volume Range | 0 - 110 dB (5 levels) |
| Sensitivity Levels | 5 levels |
| Operating Modes | Alarm Mode, Chime Mode |
| Low Battery Indicator | LED (Red blinking) |
| Country of Origin | China |
Warranty and Support
This DAYTECH Vibration Sensor Alarm comes with a 1-year warranty from the date of purchase.
For any initial defects or malfunctions, please refer to your order history on Amazon to contact customer support. Our team is ready to assist you with any issues you may encounter.
Please retain your proof of purchase for warranty claims.