---
title: Which generation of HRC 400 do I have
description: "Hydro-Rain launched the HRC-400 series in 2016. A few of the features include: - Industry first intergraded Wi-Fi and Bluetooth - 3 program slots (A, B, & C) - Programming via Bluetooth with the B-hyve Pro app Based on feedback…"
url: "https://husqvarna-water.com/knowledgebase/which-generation-of-hrc-400-do-i-have/"
updated: "2024-07-02"
category: Controller / HRC 400 Series
tags:
  - Controller
  - HRC400
---

# Which generation of HRC 400 do I have

Hydro-Rain launched the HRC-400 series in 2016.

A few of the features include:

- Industry first intergraded Wi-Fi and Bluetooth
- 3 program slots (A, B, & C)
- Programming via Bluetooth with the B-hyve Pro app

Based on feedback from contractors and customers Gen 2 of the HRC 400 was released in 2018. These controllers featured:

- Updated Battery compartment to improve removal and insertion
- Added the "D" program
- Upgraded LCD Screen
- Updated hardware for improved stability and connection
  - Upgraded short circuit detection
  - Upgraded rain sensor circuit
  - Improved battery life
  - Act as a hub for select devices

In early 2022 version 2.1 of the HRC 400 will be released. Updates will be posted when available.