Features: 1.low power dual core 32-bit cpu, can be used as an application processor 2.with a clock frequency of up to 240mhz and a computing power of up to 600dmips 3.built in 520kb sram 4.support uart/spi/pwm/dac/adc and other interfaces 5.equipped with a tf card slot for easy expansion of storage 6.2.8-inch color screen, supporting 16 bit rgb 65k color display 7.support smart config/airkiss one click distribution network Parameters: Product name:esp32 wifi+bt dual mode development board display screen display color:rgb 65k color Specifications: with/without casing (optional) size:2.8 inches type:tft driver chip:ili9341 resolution:320*240 visible area:43.2*57.6mm perspective:60° working temperature:-20~70& 8451; working voltage:5v power consumption:115ma bluetooth:bluetooth 4.2br/edr and ble standards wifi:802.11b/g/n/ supported interfaces:uart spi& 12289;sdio& 12289;i2c& 12289;ir& 12289;adc& 12289;dac& 12289;pwm io ports:22 serial port speed:default 115200bps spectrum range:2412~2484mhz antenna form:onboard pcb antenna, gain 2dbi security:wpa/wpa2/wpa2 enterprise/wps transmission frequency:802.11b:17±2dbm (@11mbps) /802.11b:14 ± 2dbm (@54mbps)/ 802.11b:13 ± 2dbm (@mc57) interface sensitivity cck,1mbps:-90dbm cck,11mbps:-85dbm 6mbps(1/2bpsk):-88dbm 54mbps(3/464-qam):-70dbm mcs7(65mbps,72.2mbps):-67dbm Package include: Display screen*1 touch pen*1 type-c data cable*1 4p terminal to dupont wire*1