The wholesale price of the 2-Ch 5V relay board depends on the order quantity, but bulk buyers can get up to 30% off compared to retail rates. Larger quantities always get better pricing because packaging, shipping, and handling costs reduce per unit. If you're planning a bulk project or stocking up for resale, the wholesale option gives you the best overall value.

The minimum order quantity (MOQ) for bulk relay boards is 100 units. This MOQ helps us provide stable pricing, ensure quality testing for every batch, and offer faster dispatch times. If you need more than 100 units, we can also prepare custom pricing and lead times depending on your project requirements.

Yes, GST invoices are provided for all orders. Whether you're a retailer, institute, startup, or company, you will receive a proper GST bill that you can use for input tax credit and accounting purposes. Just provide your GST details during checkout or share them with the sales team.

Yes, the 2-Channel 5V Relay Board is fully compatible with both Arduino and Raspberry Pi. It can be controlled using 3.3 V or 5 V logic signals from microcontrollers or GPIO pins. This makes it ideal for safely switching AC/DC devices in home automation, IoT, robotics, and embedded electronics projects. Sample wiring diagrams and code libraries are available for quick setup.

We offer warranty only on branded products, and the coverage is based on the manufacturer’s policy. Generic modules do not usually come with warranty, but branded relays are covered as per their official guidelines. If you're ordering large quantities and want warranty-backed modules, just let us know and we will recommend the best options.