A Reliable Guardian for Every Door and Window

The WS301 door sensor can be mounted on any doors or windows to detect an opening or closing event. It adds physical security monitoring to your location by warning of intrusion or unauthorized entry.

Tamper Detection

Alerting administrator to any attempts to dismount the device

Long Battery Lifie

More than 4 years service life without battery replacement

WS301 Magnetic Contact Switch service life

Easy Installation

WS301 Magnetic Contact Switch pole mounting

Double-Sided Mounting Tape

WS301 Magnetic Contact Switch wall mounting

Screw

Easy to Use

Switching on/off and configuring the device via NFC technology from mobile phone or PC

WS301 Magnetic Contact Switch Configuration1st Step
Install the Milesight ToolBox (Android/iOS).

WS301 Magnetic Contact Switch Configuration2nd Step
Enable NFC and run ToolBox,
attach your phone to the device.

WS301 Magnetic Contact Switch Configuration3rd Step
Verify the password and start configuring.

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Milesight IoT Cloud

spotMonitoring door/window status for unauthorized entry

spotInteractive cooperation with a variety of Milesight sensors

spotAndroid & iOS versions allow you to manage devices at your fingertips

Minimal Size

WS301 Magnetic Contact Switch

| Specifications |

Wireless Transmission Technology LoRaWAN® v1.0.2/v1.0.3/v1.1
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Measurement and Interface Detection Distance 15-20 mm
Button 1 × Power Button (Internal), 1 × Tampering Button
Operation Configuration Mobile App (via NFC) or PC software (via USB Type-C)
Alarms Open/Close Status, Tamper, Low Battery
Physical Characteristics Power Supply 1 × 1200 mAh ER14250 Li-SOCl2 battery
Battery Life 4~7 years
Operating Temperature -20°C to +60°C
Relative Humidity ≤90% (non-condensing)
Ingress Protection IP30
Dimension Sensor: 50 × 30 × 17 mm (1.97 × 1.18 × 0.67 in)
Magnet: 30 × 17 × 8 mm (1.18 × 0.67 × 0.31 in)
Installation On the flat surfaces with screws or 3M tapes

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