Clock Module 0.96in OLED Display WiFi PCB Board USB 5V with 40mAh Button Battery

Feature: 1. Designed with a double‑layer structure, the module is small in size and good in appearance. 2. With onboard PCF8563T clock circuit, even if the power is off, clock can run normally. 3. The clock module is designed with OLED display, which can provide clear reading. 4. The clock module can be used to DIY LCD WIFI clock and second development of ESP8266. 5. Made of high quality material, the product is and stable with long service life. Specification: Item Type: Clock Module Material: PCB Working Voltage: USB 5V Battery Type: Button Battery (Built-In Battery) Battery Capacity: 40mAh Purpose: DIY LCD WIFI Clock And Second Development Of ESP8266 Package List: 1 x Clock Module