Welcome to our shop, our main business is home garden products.

This store has:
★ High quality and affordable products
★ Shipment within 24 hours (may be delayed in case of out-of-stock, please forgive me)
★ Professional product packaging
★ Choose from a variety of vouchers and bundle offers
★ Online customer service welcomes customers to consult and negotiate prices

Follow us, like the product and leave a "free gift" on the order, and we will give you a free gift when it is shipped. In this store you will find the products you want.

----------Product Information----------
1. VOLTAGE RANGE: 1 channel relay module, using DC 7‑24V power supply, optocoupler input signal range is DC 3.3‑24V, with a wide range of applications.
2. MODULE INTERFACE: The relay module has RS232 TTL UART interface, supports power down save, stable connection and simple operation.
3. GOOD PROTECTION: With diode electric leakage protection, 100000 times of continuous suction, the control switch relay module has a long service life.
4. EXCELLENT MATERIAL: Using excellent PCB and electronic components, this 1 channel relay module board has stable performance and less interference.
5. COMPACT SIZE: The control switch relay module has a compact size, easy to install and takes up little space, which is convenient and practical.

Specification:
Item Type: 1 Channel Relay Module
Material: PCB
Power Supply Voltage: DC 7-24V
Optocoupler Input Signal Range: DC 3.3-24V
Baud Rate: 4800, 9600, 19200, default 9600bps, support power down save
Interface: RS232 TTL UART interface
Device Address: Range 1-255, default 255, support power down save

Package List:
1 x Relay Module