Magnetic Contact Switch | Milesight WS301
- With Milesight WS301, you can easily detect if someone enters the office/building through a door/window or something has been moved.
Reliable Guardian for Doors and Windows
The WS301 sensor can be mounted on any door or window to detect when they are opened and closed. This adds an extra layer of security by alerting against break-ins or unauthorized entry.
Tamper Detection
The device will alert the administrator if someone attempts to remove it.
Long Battery Life
More than 4 years of operation without battery replacement.

Easy Installation

Double-Sided Adhesive Tape

Screw Mounting
Wireless Transmission
Technology
LoRaWAN® , LoRa D2D
Frequency
CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Sensitivity
-137 dBm @300bps
Tx Power
16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Mode
OTAA/ABP Class A
Measurement and Interface
Detection Distance
10-15 mm
Button
1 × Reset Button (Internal), 1 × Tampering Button
LED Indicator
1
Software
Configuration
NFC Configuration via Mobile App
Alarms
Open/Close Status, Tamper
Advanced Feature
LoRa D2D Controller
Physical Characteristics
Power Supply
1 × 1200 mAh ER14250 Li-SOCl2 Battery
Battery Life*
Over 5 years (1080 min interval + 30 triggers per day)
Operating Temperature
-20°C to +60°C
Relative Humidity
≤90% (non-condensing)
Ingress Protection
IP20
Dimension
Sensor: 50.5 × 31 × 18.5 mm
Magnet: 30 × 13.5 × 10 mm
Installation
On the flat surfaces with screws or 3M tapes
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