Specifications:
Voltage Type: 5V, 12V, 24V (optional)
Supply Voltage: 3.3-5V
Relay Channels: 16
Board Size: 165 * 90mm
Positioning Hole Diameter: 3mm
Weight: 244g

Features:
1. Onboard mature and stable ESP32-WROOM-32E module, large capacity 4M Byte Flash
2. ESP32 module I/O port and UART program download port are all drawn out to facilitate secondary development
3. The onboard DC-12V to 3.3V power supply circuit supports DC-12V
4. Onboard RST reset button and IO0 programmable button
5. ESP32 supports Arduinno IDE compilation tools and provides reference programs under Arduinno development environment
6. 16 on-board 5V relay, output switching signal, suitable for control of the control voltage of AC250V/DC30V within the load

Package Includes:
1 x Relay Module
2 x Pin

Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1mm-1cm differences due to manual measurement.