5pcs EQKIT 60 Seconds Electronic Timer Kit DIY Parts Soldering Practice Board

Feature: ? Operating voltage: DC5V Standby current: a???8mA Working current: a???10mA Countdown: 60 seconds Countdown ends prompt: three alarms Soludering difficulty: General Board size: 84 x 84mm
Note:?Electronic production kit, require buyer soldering assembly. ? Package included: 5 x Electronic Timer K