Wirelessly control and sync up to 50 lights for smarter, greener grows.

Take full control of your grow lights with the Telos Growcast Controller, a universal lighting system designed to maximize efficiency and plant health. Compatible with LED and HPS fixtures from major manufacturers, this wireless controller allows you to precisely adjust PPF output and program on/off schedules with optional sunrise and sunset settings. Unlike traditional timers, Growcast operates locally, requiring no internet connection for programming.

To check which type of connection interface your grow light has, head over to the Growcast Compatibility List.

Is the Telos Growcast Energy-Efficient?

Absolutely. By allowing precise light adjustments, customized schedules, and seamless multi-light control, Growcast helps reduce energy waste while ensuring plants receive optimal lighting conditions. Whether you’re running a single fixture or an entire grow room, this smart lighting controller delivers efficiency, flexibility, and ease of use.

Features

• Compatible with of LED and HPS lighting fixtures from leading manufacturers.
• Wirelessly set exact light output levels with Precise PPF.
• Program 24hr on/off timing schedules with option sunrise and sunset feature.
• Daisy chain up to 50 lights to a single Growcast.
• Securely connect and control Growcast Controllers using the Telos Mesh App for Android and iOS.

Specifications

• Connection Interface: LLT Connector + RJ11 and linking adaptors
• User Interface: Smartphone app or manual control via touch sensor
• Dimming Range: 10-100% & Dim to off
• Dimming Protocol: 1-10V or PWM
• Input Power: USBC cable or 12V supply (From LED driver)
• Wireless Technology: Bluetooth Mesh version 5.3
• Control App: Telos Mesh
• App Availability: Android and iOS
• Ingress Protection: IP66
• Dimensions: 32 x 32 x 22mm
• Weight: 80g
• Cable Length: 250mm
• Manufacturer’s Warranty: 2 years

What's Included?

• HLG Telos Growcast Controller

Download Resources

• Quick Start Guide
• User Manual
• Datasheet