This is a 2-Channel Relay interface board, which can control various appliances, and other equipments. It can be controlled directly by Microcontroller. 
Rated voltage: DC12 
Rated current: 10A 
Coil power: 0.36W
Contact switch voltage: 220VAC
Protective characteristics: Sealed 
Contact load: Medium-power
Application: Electromagnetism
Contact Form: Conversion type
With 4 mounting holes, diameter of each hole is 3.1mm, easy to install 
Apply superior SONGLE relay, SPDT(single-pole double-throw), one common port, one NO and one NC 
Opto-isolator, excellent anti-interference performance
Low level actuation(indicator ON), high level release(indicator OFF)
Maximum output of relay: DC 30V 10A, AC 250V 10A 
Size: 49*38*17mm(L*W*H)

Packade Includes:

1 x 2-Channel Relay Module 

 

 

Hi there ,this is our shipping

Chinapost registered airmail:10-20 working days.

the link of tracking: 1. http://www.sao.cn/en/index/home.jsp

                   2. http://www.singpost.com/index.php

City-link: 5-10 working days.

the link of tracking: http://www.citylinkexpress.com/

FedEx:5 working days.

the link of tracking: http://www.114cb.com/fedex2.html