If I turn it on manually will it turns off in 30 minutes? I wasn’t sure if that’s what it means in the description?

Yes, If you turn on the device manually, it will automatically turn off after 20 minutes. If you manually turn off then the humidity sensor is deactivated and you will have to turn on manually and let it cycle in order to turn the sensor back on. Best Regards, TopGreener Inc.

How do I program this? And does it flash or change a color when I change the levels?

In order to program, hold down the button for 8 seconds until the indicator light blinks. Once it is blinking, change modes by hitting the button 1,2 or 3 times. The mode is indicated by the number of times the LED blinks/flashes. The LED will only flash not change color. Best Regards, TopGreener Inc.

What are the humidity percentages for the low, medium and high settings?

The setting are as follows: 45%-low,, 65%-medium(Default), 80%-high. If you have further questions please let us know at support@topgreener.com Best Regards, TopGreener Inc.

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💨 Breathe smarter, live fresher — the future of humidity control is here!

ENERGY SAVING AUTOMATION - Fan runs only as long as needed, shutting off 30 minutes after humidity normalizes to save power.
SMART MOISTURE DETECTION - Automatically activates your fan when humidity spikes, keeping your space fresh and mold-free.
SLEEK SEAMLESS INTEGRATION - Includes a stylish wall plate for a clean, modern look that fits any professional space.
CUSTOMIZABLE HUMIDITY SETTINGS - Choose from low, medium, or high sensitivity to perfectly match your room’s ventilation needs.
EASY INSTALLATION WITH NEUTRAL WIRE - Designed for single-pole setups with standard 120V wiring, ensuring hassle-free upgrade.

The TOPGREENER TDHS5 Humidity Sensor & Fan Control Switch intelligently detects excess moisture and automatically powers your ventilation fan to maintain optimal air quality. Featuring three adjustable humidity sensitivity levels and a 30-minute delay timer, it ensures efficient, energy-conscious operation. Designed for 120V AC systems with a neutral wire requirement, this UL-listed switch is perfect for bathrooms, laundry rooms, and other high-humidity spaces, combining smart technology with sleek design for a healthier, fresher environment.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Operation Mode	automatic
Operating Voltage	120 Volts (AC)
Contact Type	Normally Closed
Connector Type	Screw Terminals
Brand	TOPGREENER
Terminal	Screw
Circuit Type	1-way
Contact Material	Copper, Brass
International Protection Rating	120
Number of Positions	1
Wattage	4.32E+3
Number of Items	2
Manufacturer	Top Greener Inc
Country of Origin	USA
Item Weight	308 g
Package Dimensions	12.5 x 9.6 x 8.71 cm; 308 g
Are batteries included?	No

TOPGREENER Humidity Sensor & Fan Control Switch, Ventilation Fan Humidity Sensor Switch, Fan Switch, Neutral Wire Required, Tdhs5, Pack of

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