Specification Brand : TOLAKO BulletPoint : DC Contactor BulletPoint1 : Rated output load: 2A at 100 to 240VAC. BulletPoint2 : Power supply: 5V DC BulletPoint3 : Load type: General purpose, KF301 terminal line is more convenient. BulletPoint4 : Input control signal voltage: (0-2.5V low stage SSR is ON) (3-5V high stage SSR is OFF) BulletPoint5 : Works with official Arduino board ExternallyAssignedProductIdentifier : 5175501222765 ItemName : Tolako 5V 8 Channel Solid State Relay 8CH SSR Module for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC (8CH) ItemPackageQuantity : 1 ItemTypeKeyword : solid-state-relays Manufacturer : Tolako ModelName : WUBESHX ModelNumber : OQ-FYL8-001 NumberOfItems : 1 PartNumber : SSRS ProductDescription : Specifications Power supply: 5V DC SSR Output (each channel): Load voltage range: 75 to 264VAC (50/60Hz). Load current: 0. 1 to 2 AMP.