# Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs

Dazzle Bright HB-400COI smart string lights combine 400 RGB LEDs with app and remote control for indoor or outdoor holiday decorating. The listing describes Bluetooth app features including custom scenes and music synchronization, while the remote handles settings such as brightness and timers.

- [Original product page](https://best-deals.pro/product/dazzle-bright-hb-400coi-smart-rgb-string-lights)
- [View offer](https://best-deals.pro/visit/dazzle-bright-hb-400coi-smart-rgb-string-lights)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Dazzle Bright
- Model: HB-400COI
- Category: Home & Kitchen > Lighting
- Price: 35.99 USD
- Previous price: 39.99 USD
- Discount: 10%
- Price checked: 2026-11-12T11:07:12.572Z
- Rating: 4.3 / 5
- Reviews: 1951

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listing claims 16 million colors and multiple lighting scenes.
- Bluetooth app control includes group control, DIY customization, timers, and music synchronization.
- A 44-key remote is listed for brightness, speed, timers, and lighting modes.
- Multiple strings may be grouped in the app, but the listing says the strings cannot connect end to end.

## Pros

- Two control options offer app-based customization and direct remote adjustments.
- The listing describes indoor and outdoor use and an IP44 rating.
- Music synchronization and group control add options for coordinated displays.

## Cons

- The strings cannot be connected end to end, which limits how far one continuous run can extend.

## Specifications

### Identity
- Brand: Dazzle Bright
- Model: HB-400COI
### Lighting
- Color: 400 LED RGB
- Light source: LED
- Light color: RGB
- Number of light sources: 400
- Special feature: Color Changing
- Form factor: String Lights
- Theme: Christmas
### Connectivity and controls
- Wireless connection listed: Bluetooth
- Control methods listed: App, Remote
### Power
- Power configuration: Corded Electric
- Voltage: 30 volts
- Wattage: 12 watts
### Dimensions and installation
- Weight: 16 ounces
- Title length: 131 FT
- Listed item length: 1574 inches
### Materials and protection
- Water resistance: Water Resistant
- Ingress protection code: IP44
- Material: Polyvinyl Chloride
- Indoor/outdoor usage: Indoor, Outdoor

## Before you buy

- The stated 131 FT light length, 13.1 FT lead wire, 144 FT total length, and 1574-inch item length do not agree. Confirm the usable string and lead lengths before planning an installation. The listing also claims UL certification, but supplies no certification details.

## In the box

- 400 LED string lights (Included)

## A good fit for

- Decorators who want RGB color effects with app and remote control.
- Indoor or outdoor holiday displays where one 131-foot-class string is suitable and end-to-end connection is not needed.
- Users interested in app scenes, timers, or music-synced lighting.

## Less suited to

- Buyers who need strings to connect end to end.
- Installations that depend on an exact usable length unless it is confirmed before purchase.

## Customer feedback

Customer feedback reports positive impressions of lighting quality, appearance, brightness, and settings, with some appreciating the color choices and remote. Experiences are mixed on reliability, colors, and remote response. Some reports describe lights malfunctioning after about a month or a remote stopping after several months, while others say the lights work well. For a display where changing modes and brightness matters, those reports make reliability and control consistency worth considering. The listing's RGB and app features describe claimed capabilities, not proof of customer satisfaction.
- Positive themes: Customers describe the lighting, appearance, brightness, and settings positively.
- Positive themes: Some customers report appreciating the available colors and remote control.
- Mixed feedback: Customers disagree about reliability, including reports of lights malfunctioning after about a month.
- Mixed feedback: Color feedback varies, including a report that warm white appears brownish orange.
- Mixed feedback: Remote feedback is mixed, with some reports of it stopping response after about four months.

## Frequently asked questions

### Can these lights connect end to end?
No. The listing says multiple strings can be grouped through the app, but the strings cannot connect end to end.
### What control options are listed?
App control over Bluetooth and a 44-key remote are listed. The remote is described as controlling brightness, speed, timers, and lighting modes.
### What is the stated length?
The title says 131 FT. The feature text gives 131 FT of lights plus a 13.1 FT lead wire for 144 FT total, while the item details list 1574 inches. These figures conflict, so confirm the lengths before buying.
### Are they intended for outdoor use?
The listing specifies indoor and outdoor use, water resistance, and an IP44 rating. It also mentions rainy-day use, but the provided details do not establish the limits of that claim.

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## Add-ons

- [Dazzle Bright Smart Christmas String Lights, 98FT 300 LED RGB Color Changing String Lights with Remote & App Controlled, Halloween Decorations for Indoor Outdoor Holiday Xmas Tree Party Decor](https://best-deals.pro/visit/dazzle-bright-hb-300coi-rgb-string-lights)

## Images

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 1](https://best-deals.pro/i/wvGhOFuje3ZQscKQ6CCYVqZoLxDfSiumt1LiYWsQDAZxRQeA84q3-RpBuAQHRwC0G2i7VpXwnvygMO1xgqlPz8f-6wX-AkbuGp-Kh5SFsd1k7iz_OCiGY02P.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 2](https://best-deals.pro/i/LIrXhVpCM0Wmjun0obyv52E6J5lJDS9BIUyL_RYQ_nnufwfLQFYGQ0eJlWF2iqdlBwkNnyV50I5L0f1_paEJFVUsoPifIY03aQ-yyOjqMck4SORV9n-BpgAY.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 3](https://best-deals.pro/i/rNpQo7txvzY9SQbyEXYeLzSPVV_5Ebrhog7fDbdv5i1jmAq5cP5JgZWrDfakU-DE2pmGDbyyoa_BdZ4PvScskxP2Gh-L_pFsimgqKuC3kYQ4yslII5NEHrnt.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 4](https://best-deals.pro/i/_WbKJ0Ik76t6DBmdE0pv1cor1A11bpyP7r2iA0K5ZZxqnblcLw98TPW8TQYvOJ4jdZ7SkBrKUMyWEmzVyUi3fsObFU_EsrcdFjv8Kk0XWtZ3FoCjJY7LlegH.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 5](https://best-deals.pro/i/B0He94BJUO6FMdO8smrEeFdO8D4jW8v-D_kBwXQD_S0V8Els_ZZcCBLdqgtt8XgmN7b24NMX4D7MWy3JBoZZyHsWbhp4eglQouamLQPXOpbRl5CQq5kVXDAA.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 6](https://best-deals.pro/i/-9AuPOSyv2Fbnk2zEGXOAovOzQN5owQWplPD33WBDBam7BXks3gmzWM1P_UVkEEhySHZidZcTLLqv-c3t7QC01dxuC-P3GEvlZmLjSNy2qf87ZqouCtP0kAq.jpg)

![Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs — 7](https://best-deals.pro/i/JYDdZNnKpcHOy8xdu5-BTYfnd8IcbkcKjgxxAGE0wMm4zOKC-4v-OGBK8MDqqV653AR6OuV8Oq0c2hUYbz_XoZUMv-OPjoLdnim8MGLDNa6pv49EnFo5V6ha.jpg)