1 Channel Relay Module SMS Call GSM Remote Control Switch Power On or Cut Alam SIM800C STM32F103CBT6 with Case for Greenhouse Oxygen Pump FZ3360

1 Channel Relay Module SMS Call GSM Remote Control Switch Power On or Cut Alam SIM800C STM32F103CBT6 with Case for Greenhouse Oxygen Pump

Description:
Working frequency: GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz

Power supply interface: Power supply voltage: 6V-12V. When using 9V or less power supply, the current must be guaranteed 1.5A or above

Relay interface: The output is the passive switch quantity. Using 250V 3A relay, the maximum power is 750W, you can directly operate most of the electrical appliances on the market

SIM Card Socket (Inside the shell): Insert micro SIM card (prepare yourself) when system powered off

Battery Socket: 3.7V Li battery, battery interface is XH2.54 Positive( NOTE: The battery is not incuded)

Relay Key: Press the keys can change the status of relay when controller is power on. Press key when device is power off, then power on, and press the button for 3 seconds, the controller will be back to factory setting. And the led indicators will show this status

Call Key: Press the keys can hang down the call from this device

LED interface: There are 4 LED lights named work, err, power and chargingWork and err LED indicators state corresponds to the equipment working conditions are as follows, each column is one state.


SMS command instructions link:
https://drive.google.com/open?id=1bPPOuutDDr0x0tI5CHrJAJKF7GSOd4Rg


Package Includes:
1 X One Channel Relay Module with Case(Battery is NOT included)
1 X Screwdriver