So just to be clear this is not ul approved and has not safety features , fuses or overheating safety? correct

I just received two of these heating mats. Yes! It is marked on each mat "UL approved"

Is it safe to plug it in indoors and use it outdoors?

You can use it indoors. A regular heating pad you buy at a drug store gets much warmer, so ya it's safe.

Is the plug safe for outdoor use?

if you mean can rain get in it, the answer would be no. However, i have this in use in my outdoor greenhouse, though covered by greenhouse plastic. if you are concerned about the weather, i found this thing at Home Depot by the Christmas lights. it is a hard plastic tube, that has a soft rubber on the ends, and is sliced in half lengthwise. you can put a plug down the middle, and close the tube around it making it pretty water tight. i bought several for areas around my farm with plugs that are outdoors. This would work if you are plugging into an extension cord. (My friend uses her heat mats on her covered patio. not a concern there either. but, if exposed to rainfall, I suggest looking for that cord cover i described above. (It is sturdy. not flimsy.)

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VIVOSUN 2 Pack Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

Product ID: 19488928

Details

Brand
VIVOSUN
Color
Black
Item Weight
0.65 Kilograms
Unit Count
2.0 Count
UPC
742920469658
Global Trade Identification Number

⚡20W low energy consumption

💧IP67 waterproof & easy clean

🌡️68-86℉ optimal temp range

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€ 53.24

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Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Cultivate success with warmth that works as hard as you do!

EFFORTLESS MAINTENANCE - Waterproof IP67 surface lets you scrub clean without worry—indoor use only for longevity.
ENERGY SMART MULTI USE - Runs on just 20 Watts, ideal for seedlings, hydroponics, terrariums, and even home brewing.
PERFECT FIT FOR YOUR SETUP - Sized 10" x 20.75" to fit standard 1020 trays plus a 5.7ft cord for flexible placement.
BUILT TOUGH FOR EVERY SEASON - Durable PVC with double insulation layers resists scorching and lasts through countless grows.
CONSISTENT WARMTH FASTER GROWTH - Advanced far-infrared tech ensures uniform heat to speed up germination and propagation.

The VIVOSUN 2 Pack Seedling Heat Mats deliver reliable, uniform warmth between 68-86℉ using advanced far-infrared technology. Crafted from durable, waterproof PVC with double insulation, these mats are built to last and easy to clean. Sized to fit standard 1020 trays and energy-efficient at 20 Watts, they accelerate germination and growth for indoor gardening, hydroponics, and more—making them a must-have for any serious plant enthusiast.

Specifications

ASIN	B015PD8I7I
Best Sellers Rank	#33,234 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #6 in Plant Heating Mats
Customer Reviews	4.7 4.7 out of 5 stars (8,082)
Is Discontinued By Manufacturer	No
Item Weight	1.43 pounds
Item model number	39401
Manufacturer	VIVOSUN
Product Dimensions	1 x 1 x 1 inches

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