|  | The Milesight EM300-MCS is a compact magnet switch sensor for detecting open/close status of objects (such as doors or windows)and transmitting alarm, using LoRaWAN technology. With this low power consumption technology, EM300-MCS can work upto 5 years with it's 4000 mAh battery. Combined with a LoRaWAN gateway and IoT Cloud solution, users can manage all sensor data and remotely receive alarms. The EM300-MCS sensor also integrates temperature and humidity sensors, providing greater utility for use in applications such as home and office automation, factories monitoring and more. Features 
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Specifications
| Physical Characteristics | |
|---|---|
| Dimensions | Transceiver: 105.6 mm (h) x 85.3 mm (w) x 27 mm (d) Magnet: 32 mm x 15 mm x 8mm on a 1.5m cable | 
| Installation | Wall Mounting | 
| Environmental Characteristics | |
| Operating Temperature | -30ºC to +70ºC | 
| Relative Humidity | 0% to 100% (non-condensing) | 
| Ingress Protection | IP67 | 
| Power | |
| Battery | 4000 mAh ER18505 Li-SOCL2 Battery (extendable to 2 batteries) | 
| Battery Life | Upto 10 years (2 Batteries, at a 10 minute read interval and with 48 triggers/day) | 
| Power On/Off | NFC with APP, or Internal Power Button | 
| Sensor Characteristics | |
| Door Magnet | 20-30mm Detection Distance | 
| Temperature | Range: -30°C to + 70°C Accuracy: 0°C to + 70°C (+/- 0.3°C), -30°C to 0°C (+/- 0.6°C) Resolution: 0.1°C | 
| Humidity | Range: 0% to 100% RH Accuracy: 10% to 90% RH (+/- 3%), below 10% and above 90% RH (+/- 5%) Resolution: 0.5% RH | 
| Wireless Characteristics | |
| Technology | LoRaWAN | 
| Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 | 
| Tx Power | 16dBm(868)/20dBm(915)/19dBm(470) | 
| Sensitivity | -137dBm @300bps | 
| Mode | OTAA/ABP Class A | 
| Configuration Interface | |
| NFC | Power On/Off, configure with Mobile App | 
| USB | N/A | 
| Approvals | |
| Regulatory | CE, FCC, RoHS, LoRaWAN Certified | 
| Part Number | Model Number | Description | RRP Inc GST | T % | 
|---|---|---|---|---|
| [A] Milesight EM300-MCS Magnetic Switch Sensor | ||||
| EM300-MCS-915M | EM300-MCS | LoRaWAN Environmental Monitoring, Magnetic Contacty Switch, NFC, 1.5m Cable, IP67 | $176.00 | C3 |