ESP-WROOM-02 ESP8266 Serial Wireless WIFI Module Remote Transceiver 4M 32Mbit

Features: - Mini size and powerful function - Stable performance and enhanced design. With a new 4-layer design, compared to the previous two layers, stability and anti-interference ability are better - AP + STA mode. AP + STA can coexist, meet most customer requirements - With a simple step, make your device controlled via WIFI by using cell phone or laptop,and also can be networked via wifi router. Specifications: Power supply: 3V Working Current: 70mA-200mA Size:20 x 14 x 3mm Working temperature: -20-80 Package Included: 1 x ESP8266 Serial WiFi Module