DIY LED Digital Watch Electronic Clock Kit With Transparent Cover

DIY LED Digital Watch Electronic Clock Kit With Transparent Cover. 
 
Feature: 
Operating voltage: 3V; 
Power supply: CR2025 button battery (as gift for testing, inevitably there are additional factors causing low.); 
Display: Red LED display; 
Installation: Need DIY welding assembly; 
Clock adjustment: Key regulator; 
Whether saving power: Five seconds automatically enter power-saving mode. After all, LED display is more power consumption, so a battery life is not very long. About half month need to change a battery. 
Waterproof: NO; 
Size: 16mm diameter, 54mm thick, strap: 2 x 25cm; 
Weight: 48g; 
 
Note: The watch band color is random delivery. 
 
Package included: 
1 x LED Digital Watch Kit.