Single-Chip Digital LED Watch Electronic Clock Kit Transparent Watch DIY LED Digital Tube Wristwatch DIY Kit

Specifications:
Material: Acrylic + PCB + Electronic Components + PU
Color: Black
Display: Digital
Working Voltage: 3.7-5V
Power Supply: 5 * CR1220 Button Battery (Not Included) / 3.7V rechargeable battery(Need to Refit By Yourself)
Clock Regulating Mode: Press Button Adjustment
Display Mode: OLED White Digital Display
Display: Time, Week, Date, Power
Time Mode: 24Hour, 12 Hour
Date Mode: Year/Month/Day, Month/Day/Year, Day/Month/Year
Week Mode: English, Chinese
Month Error: 2s
Standby Current: About 1uA
2 Setting Buttons on the Side of Watch: Convenient to Wake up and Set 
Energy Saving: Light for 10 seconds then change to power saving mode automatically
Water-resistant Level: Not Water-resistant
PCB Size: 30 * 30mm / 1.2 * 1.2in
OLED Screen Size: 24.5 * 14mm / 0.96 * 0.55in
Dial Size: Approx. 40 * 40mm / 1.6 * 1.6in
Dial Thickness: Approx. 15mm / 0.6in
Watchband Length: Approx. 245mm / 9.6in
Watchband Width: Approx. 18mm / 0.7in
Item Weight: Approx. 32g / 1.1oz
Package Weight: Approx. 38.5g / 1.4oz
Package Size: 13.5 * 9 * 2cm

Package List:
1 * Electronic Watch DIY Kit
1 * User Manual