Waveshare Dedicated All-In-One Aluminum Alloy Cooling Fan For Raspberry Pi 4B, PWM Speed Adjustment, Better Cooling Arduino 3.2in TFT LCD Display Shield Specification Details Product Type IoT

Waveshare Dedicated All In One Aluminum Alloy Cooling Fan For Raspberry Pi 4B, PWM Speed Adjustment, Better Cooling Arduino 3.2in TFT LCD Display Shield Specification Details Product Type IoT Specification Details Product Type IoT Microcontroller Development Board with Wireless Connectivity Brand DFRobot Origin Original Authentic Warranty 7 days on manufacturing defects Shipping 1 5 days from Bengaluru Delivery 7 8 days across India Support 24 7 via Email and WhatsApp Processor Dual core Espressif ESP32 at 240 MHz RAM 520 KB SRAM Flash Memory 4 MB SPI Flash Wireless Connectivity Wi Fi 802 while the integrated 4G LTE connectivity enables seamless integration with cloud based identity management systems and remote verification protocols