Is there a way to just have it fade down to a very low light level without turning LED off completely?

I don't think that this feature is supported by their circuit, but you could add an external circuit to maintain some current flow in parallel to their device (not sure if its negative-switched or positive-switched.)

Old model (p/n 3988) had high/low triggers. why the change and is the old model still available? i don't want to use relays and i have no use for >2a

The new version of the 2A fade-in fade-out dimmer has both high and low triggers while the old version only has high trigger. If the dimmer you received has two triggers wires (blue and yellow) then yours is the new version. They both are with p/n 3988. The new version works exactly same and has same waterproof capability as the old version, except a low trigger added. The low trigger gives you an alternative option to trigger LED lights by a ground signal. Both new and old version DO NOT use relays but IC (solid state circuit) to generate PWM signal for dimming.

How do i wire this to a pir motion sensor? i'm guessing i would need a relay of some sort?

You don't need a relay as long as your PIR motion sensor is with positive trigger output. Wire the 12V+ output from your motion sensor to the blue trigger wire of the dimmer, then it will work.

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Oznium Fade-in Fade-Out LED Dimmer, 8 Amp Current Rating

Oznium Fade-in Fade-Out LED Dimmer, 8 Amp Current Rating

Product ID: 333358982

Details

Connector type
Wire Leads
Contact type
Normally Open
Current rating
8 Amps
Operating voltage
12 Volts
Operation mode
ON-OFF

⏳13 adjustable fade speeds

⚡2A max current rating

💧IP44 water resistance

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€ 82.29

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Elevate your lighting game with fade finesse ⚡

BUILT TO LAST - Backed by a lifetime guarantee, this dimmer is engineered for durability and peace of mind.
TAILOR YOUR MOOD - Choose from 13 distinct fade speeds to perfectly match your vibe or setting.
VERSATILE CREATIVE - Ideal for cars, boats, homes, or any custom LED project—unleash your lighting creativity.
ROBUST POWER HANDLING - Supports up to 2 amps at 12V, powering a wide range of LED setups with ease.
SEAMLESS AMBIANCE CONTROL - Experience ultra-smooth fade-in and fade-out lighting—no more harsh on/off transitions.

The Oznium Fade-in Fade-Out LED Dimmer delivers professional-grade smooth lighting transitions with 13 adjustable speeds and a 2 amp current rating. Designed for 12-24V LED systems, it features IP44 water resistance and an inline fuse for safety. Compact and reliable, it’s perfect for automotive, marine, and home lighting projects, backed by a lifetime guarantee for lasting performance.

Specifications

ASIN	B07X3HNR93
Actuator Type	Touch Button
Best Sellers Rank	#94,996 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #201 in Dimmer Switches
Brand Name	Oznium
Circuit Type	1-way
Color	Black
Compatible Devices	12-24V DC Powered Vehicles (Passenger Cars, Boats, Trucks), Light Controllers, Power Supplies
Compatible with Vehicle Type	Boat, Passenger Car, Truck
Connectivity Protocol	X-10
Connector Type	Wire Leads
Contact Material	Metal
Contact Type	Normally Open
Control Method	Touch
Controller Type	Touch Switch, Dimmer Switch
Current Rating	8 Amps
Customer Reviews	4.1 4.1 out of 5 stars (28)
International Protection Rating	IP66
Item Weight	0.01 Ounces
Manufacturer	Oznium
Material Type	Copper
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	13
Operating Voltage	12 Volts
Operation Mode	ON-OFF
Part Number	4217
Smart Home Compatibility	Not Smart Home Compatible
Specification Met	IP66
Switch Type	Touch Switch
Terminal	Through Hole
Unit Count	1.0 Count
Wattage	96 watts

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