Features 1. The remote control provides central functionality, allowing users to easily integrate KL1-GSM-T into their systems for remote operation over GSM networks. 2. Operable from any location without distance limitations. 3. GSM quad band module supports 850/900/1800/1900 MHz. 4. Wide power supply range of 7-36VDC enhances operational efficiency. 5. Supports up to 10 authorized phone numbers for remote device activation and deactivation via call or SMS. 6. Includes 1 relay output (10A/30VDC, 10A/250VAC). 7. Features 1 ambient sensor input for on-site temperature monitoring. 8. Allows setting of 6 groups of automatic temperature control via SMS. 9. Compatible with wall mounting and DIN 35mm (1.3in) industrial rail installation. 10. Industrial design ensures reliable long-term performance. 11. KL1-GSM-T is a GSM-enabled device with 10A output capacity, supporting one temperature sensor and six groups of automatic temperature control. Specification Condition: Item Type: Temperature Control Sensor Color: As shown in picture DC Power Supply: Standard adapter DC12V / 500mA, Range: 7-36VDC (Adapter not included) Power Consumption: Standby 12V / 50mA, Maximum Working 12V / 200mA GSM Frequency: 850/900/1800/1900 MHz SIM Interface: Compatible with 3V Micro SIM card External Antenna: SMA antenna interface, 50Ohm, 3dB gain Temperature Interface: 1 NTC temperature port Detection Range: -40 to 110C Relay Output: 1 Channel, 10A / 30VDC, 10A / 250VAC Output Logic: Normally open and normally closed Dimensions: Approx. 118 x 92 x 42mm / 4.6 x 3.6 x 1.6in (L x W x H) Package List 1 x GSM Temperature Control Sensor 1 x Antenna 1 x 0.5m (1.6ft) Temperature Sensor 1 x Instruction Manual