and high quality Premium material, high efficiency, stable working performance. Exquisite workmanship, anti-corrosion and wear resistance. Power Supply Specifications:Power Supply: USB 5V/1A;Charging Current: 1A;Battery: 3.7V Lithium Battery WIFI Description:Standard: FCC TELEC KCC SRRC NCC;802.11 b i (802.11n,speed up to150Mbps)A-MPDU and A-MSDU;polymerization,support 0.4μS for Protection interval;Frequency 2.4GHz-2.5GHz(2400M-2483.5M);Transmit Power: 22dBm;Communication Distance: 300m Hardware Specifications Chipset: ESPRESSIF-ESP32-PCIO-D4 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor;QSPI up to 4 x 16;520 kB KEY: reset,IO32 Dispaly: 0.91 SSD1306 USB to TTL: CP2104 Camera: OV2640 2Megapixel Steering Engine: Analog Servo On-board Clock: 40MHz Crystal Oscillator Working 2.3V-3.6V Working Current: About 160mA Working Temperature -40℃ to +85℃ Bluetooth-compatible Description meet Bluetooth-compatible v4.2BR/EDR and BLE standard Radio Frequency: with -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH Frequency: CVSD&SBC frequency Software specification Description Wifi Station/SoftAP/SoftAP+Station/P2P Security Mechanism: WPA WPA2 WPA2-Enterprise Encryption Type: for AES/RSA/ECC/SHA firmware Upgrade: UART download/OTA(Through host to download and write firmware) Software Development: Support cloud server development /SDK for user firmware development Networking IPv4 IPv6 SSL UDP HTTP FTP MQTT User Configuration: AT + Instruction set, cloud server, android/iOSapp OS: FreeRTOS Dimension: 75.5x23.9x12mm/ 2.97x0.94x0.47inch Colour:As Shown Material:PC+Plastic Camera Module only, other accessories in the picture are not included! Package Contents: 1 x Came