Item Type: Mobile phone access controller Material: Aluminum Weight: Approx. 309g / 10.9oz Model: SM1 WLTE EA Plug: EU Plug 100-240V Usage: Relay Switch Power Consumption: Standby 12V 50mA, operating maximum 12V 200mA 4G Frequency (LTE FDD): B1 B3 B5 B7 B8 B20 GSM Frequency: 900 1800 MHz SIM Interface: Standard SIM Card Antenna Interface: Standard SMA Interface Temperature and Humidity Interface: 1 Sensor Port Temperature Detection Range: -40-125 Humidity Detection Range: 0-100% Relay Output: 1 Channel, 10A 250VAC, 15A 125VAC Output Logic: Normally Open and Normally Closed Package List 1 x Mobile Phone Access Controller 1 x Plug 1 x Manual 2 x Accessory 1 x Probe 1Efficient Remote Control: Monitor and control the temperature humidity alarm anytime and anywhere through the mobile APP or WEB interface. 2Multiple Alarm Notifications: Receive notifications via phone calls and SMS to ensure real time temperature humidity changes and power failure alerts. 3Wide Applicability: Suitable for various scenes such as home, office, and warehouse, meeting different needs. 4Multifunctional Temperature Humidity Monitoring: Accurately detect temperature range (40 to 125) and humidity range (0 to 100%), helping maintain a stable environment. 5Reliable Relay Output: 1 channel relay output, supporting 10A 250VAC and 15A 125VAC, with multiple output logic options.