Does this device have to use the timer? Can it stay on and off without using the timer? Is the the timer just an additional feature?

You do not need to use a timer with this device. Additionally, it has three heat settings: low, medium, and high.

What's the wattage for each setting hi/med/lo ?

Not sure wattage. I used in sub freezing (20*F) weather on lowest setting and had no fogging/dew on Nikkor Z20mm 1.8, Nikkor Z70-200 2.8, and a Tokina 14-28 2.8. Works well, surprisingly low cost. (I use a cheaply rechargeable battery bank)

Does this unit automatically turn off? i need a lens warmer that will last 4-5 days without turning off.

Only if your battery runs out. No thermostat… just constant heat settings

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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for Camera Lens less than 80mm in Diameter

for Camera Lens less than 80mm in Diameter

Product ID: 184540333

Details

Brand
KIWIFOTOS
Eye Piece Lens Description
Plossl
Finderscope
Reflex
Focus Type
Manual Focus
Item Weight
59 Grams
Objective Lens Diameter
80 Millimeters

🔌USB powered for on-the-go

🔥3 heat modes (Low/Med/High)

❄️Operates down to -40°C

R745

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Description

🔥 Stay Frost-Free, Shoot Like a Pro! ❄️

PORTABLE USB POWER - Plug into power banks or laptops for uninterrupted outdoor use—never miss a shot due to cold.
EFFORTLESS INSTALLATION - Flexible, adjustable strip wraps snugly around your lens for quick setup and removal.
UNIVERSAL COMPATIBILITY - Fits any lens or telescope eyepiece under 80mm diameter—versatility that keeps you shooting.
PRECISION TEMPERATURE CONTROL - Customize your lens warmth with 3 adjustable heat settings to beat the chill.
RAPID HEAT TRANSFER INSULATION - High-quality materials ensure fast warming and prevent condensation for crystal-clear optics.

The USB Lens Warmer by KIWIFOTOS is a compact, lightweight dew heater strip designed for lenses and telescope eyepieces under 80mm diameter. Featuring a 1.5m adjustable temperature regulator with three heat modes, it prevents condensation and fogging even in extreme cold down to -40°C. Powered via USB, it offers portable, reliable warmth for outdoor photography and astronomy, ensuring your optics stay clear and ready for action.

Specifications

ASIN	B083NJCFCH
Additional Features	Adjustable Temperature Regulator with Low, Medium, and High Modes
Best Sellers Rank	#766 in Digital Camera Accessories
Brand	KIWIFOTOS
Coating	Fully Coated
Compatible Devices	Laptop, Power Bank, [Other devices with USB port]
Customer Reviews	4.5 out of 5 stars 444 Reviews
Eye Piece Lens Description	Plossl
Finderscope	Reflex
Focal Length Description	3.15 inches
Focus Type	Manual Focus
Item Dimensions D x W x H	1.38"D x 5.24"W x 1.38"H
Item Weight	59 Grams
Manufacturer	Jinjiacheng Photography Equipment Co.,Ltd.
Manufacturer Part Number	DHS-1
Model Number	DHS-1
Mount	Altazimuth Mount
Objective Lens Diameter	80 Millimeters
Optical Tube Length	3.15 Inches
Optical-Tube Length	3.15 Inches
Power Source	USB Powered
Product Dimensions	1.38"D x 5.24"W x 1.38"H
Telescope Mount Description	Altazimuth Mount
Unit Count	1.0 Count

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R745

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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