3Pcs 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: 3 x 16Keys 4 x 4 Matrix External Expansion Keyboard Contral Board
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