APONUO TZ21RGB Solar RGB Post Cap Lights, 16 Pack

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Product guide

APONUO TZ21RGB Solar RGB Post Cap Lights, 16 Pack

APONUO TZ21RGB solar post cap lights are a 16-pack for outdoor fence and deck posts, with solar power, remote color selection and an automatic dusk-to-dawn claim. The listing gives 15 lm brightness, so these are suited to decorative accent lighting rather than buyers seeking bright area illumination.

At a glance

Remote selection among eight listed color options, with an auto-cycle mode described in the feature claims.
Solar operation with automatic dusk-on and dawn-off operation claimed by the listing.
Listing specifies 15 lm, a low output suited to decorative post lighting, not broad-area illumination.

Price

$103.98Save 20%

Reference price: ~~$129.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Remote color changes and a slow color-cycle option give flexibility for decorative lighting.
Solar power avoids running a wired supply to each post, according to the product configuration.
The claimed post fit spans several common wood and vinyl post dimensions.

Cons

The listed brightness is 15 lm, which limits its suitability for users wanting substantial task or pathway illumination.

Technical specifications

21 specifications

Identity
Brand	APONUO
Model	TZ21RGB

Lighting
Light source	LED
Colors listed	White,warm, Red, Blue, Green, Purple, Cyan, Indigo
Brightness	15 lm
Maximum light output	15 lumens
Wattage	2.22 watts
Voltage	3.7 volts
Lighting method	Adjustable

Controls and power
Control method	Remote
Switch type	Push Button
Power configuration	Solar Powered

Dimensions and installation
Mounting type	Deck Mount
Form factor	Square
Dimensions	5.51"L x 5.51"W x 2.64"H

Materials and protection
Material	Acrylonitrile Butadiene Styrene
Water resistance	Waterproof
Protection rating claimed	IP65

Package and warranty
Pack size	16 Pack
Warranty type	Limited
Manufacturer warranty description	1 year warranty.

What to know before buying

Listing details to confirm

The product listing claims IP65 protection and over 10 hours of illumination after 4–6 hours of sunlight, while its technical details only say “Waterproof.” Runtime and charging depend on the listed operating conditions and are not independently established.

What’s in the box

Included

User manual
Mounting hardware

Who is it for?

A good fit for

Decorative lighting across multiple fence or deck posts where solar power and remote color changes are useful.
Buyers whose posts match the listed actual dimensions and who prefer subdued accent light.

Less suited to

Buyers needing bright area lighting or dependable illumination for safety-critical routes, given the listed 15 lm output and mixed reported reliability.

APONUO TZ21RGB Solar RGB Post Cap Lights, 16 Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 82 ratings

5 stars75%75%
4 stars11%11%
3 stars3%3%
2 stars2%2%
1 star9%9%

Customer feedback highlights appearance, color choices and the convenience of using the remote to change colors. Reliability feedback is mixed, including reports of lights stopping or not lighting. That concern matters for a 16-light set intended to cover multiple posts. The listing's low 15 lm output also points to accent use, not primary lighting. Aggregate ratings lean positive overall but do not resolve the reported reliability concerns.

Positive themes

Customers mention the appearance and color options positively.
Remote color changes receive positive mentions.

Negative themes

Some customer feedback reports lights quitting or failing to light.

Mixed feedback

Appearance and remote use are praised, while reliability experiences vary.

Frequently asked questions

What colors and modes are listed?

The listing describes eight colors and an auto-cycle mode. The remote is claimed to select or hold a preferred color.

Which post sizes does the listing say these fit?

It lists 4x4 vinyl posts with 4-inch actual dimensions, 4x4 wood posts with 3.5-inch actual dimensions, 5x5 vinyl posts with 5-inch actual dimensions, and 6x6 wood posts with 5.5-inch actual dimensions. Confirm your post's actual size before choosing.

How bright are these lights?

The technical details list 15 lm and a maximum output of 15 lumens. That is best treated as decorative accent lighting rather than broad illumination.

What battery runtime does the listing claim?

The feature text claims over 10 hours after 4–6 hours of sunlight, with automatic dusk-on and dawn-off operation. The result depends on sun exposure and operating mode.