10Pcs 16Keys 4x4 Matrix External Expansion Keyboard Contral Board

10Pcs 16Keys 4 x 4 Matrix External Expansion Keyboard Contral Board

Feature:

Maximum circuit rating: 35V DC, 100mA
Insulation resistance: 100M
Dielectric withstand: 250VRms, 50 - 60Hz, 1 min
Contact bounce: <=5ms>
Life expectancy: 1 million closures
Operating temperature: 0 ~ +70°C
Operating humidity: 40°C, 90% ~ 95%
Connector type: 8 pin
Mount type: adhesive

Package included:

10 x 16Keys 4 x 4 Matrix External Expansion Keyboard Contral Board ,