---
product_id: 364528778
title: "YX-402 Solar Lamp Circuit Board, 3.7V / 3.2V Human Infrared Sensor, 2-5 Meters Sensing Distance, 25 Seconds Induction Time, for Wall Lamp"
brand: "fafeicy"
price: "€ 10.48"
currency: EUR
in_stock: true
reviews_count: 1
category: "Fafeicy"
url: https://www.desertcart.de/products/364528778-yx-402-solar-lamp-circuit-board-3-7v-3-2v
store_origin: DE
region: Germany
---

# 2-5m human infrared sensing 3.7V/3.2V battery input 3 adjustable gear modes YX-402 Solar Lamp Circuit Board, 3.7V / 3.2V Human Infrared Sensor, 2-5 Meters Sensing Distance, 25 Seconds Induction Time, for Wall Lamp

**Brand:** fafeicy
**Price:** € 10.48
**Availability:** ✅ In Stock

## Summary

> ⚡ Illuminate smarter, not harder — the future of solar sensing is here!

## Quick Answers

- **What is this?** YX-402 Solar Lamp Circuit Board, 3.7V / 3.2V Human Infrared Sensor, 2-5 Meters Sensing Distance, 25 Seconds Induction Time, for Wall Lamp by fafeicy
- **How much does it cost?** € 10.48 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/364528778-yx-402-solar-lamp-circuit-board-3-7v-3-2v)

## Best For

- fafeicy enthusiasts

## Why This Product

- Trusted fafeicy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Easy Installation:** Slim 19x59mm board fits seamlessly into your existing wall lamp setup without hassle.
- • **Customizable Lighting Modes:** Three gear modes let you tailor induction brightness and timing to your lifestyle.
- • **Energy-Saving Induction Time:** 25-second induction period maximizes battery life while providing reliable illumination.
- • **Smart Solar Power Management:** Overcharge & overdischarge protection for 3.7V batteries keeps your setup safe and efficient.
- • **Precision Human Infrared Sensor:** Detects motion up to 5 meters, ensuring your wall lamp activates exactly when needed.

## Overview

The YX-402 Solar Lamp Circuit Board is a compact, battery-powered control module designed for wall lamps. Featuring a human infrared sensor with a 2-5 meter detection range and a 25-second induction time, it supports 3.7V and 3.2V batteries with built-in overcharge and overdischarge protection for 3.7V cells. Its three adjustable gear modes allow personalized lighting control, making it an efficient and customizable solution for solar-powered lighting.

## Description

Specification: Item Type: Solar Lamp Circuit Board Model Specifications: YX-402 Product Size: Approx. 19 x 59mm / 0.7 x 2.3in Induction Method: Human infrared sensor Sensing Distance: 2-5 meters (depending on the sensing ambient temperature) Induction Time: 25 seconds Battery Input: 3.7V / 3.2V This control board is protected from overcharge and overdischarge when connected to a 3.7V battery. When the 3.2V battery is connected, the battery must have its own board Three Gear Modes Are Adjustable: 1. Induction highlight + slightly bright 2. Induction highlight + light off 3. Light control Package List: 1 x Module 1 x Connecting Cable 1 x User Manual

Review: Ordered six of these in two separate orders. The first board worked perfectly and still does. The next three boards don't work at all. Voltage bleeds from the batteries back to the solar panel even with the switch in the off position.

## Features

- Solar Lamp Circuit Board can fit for wall lamp.
- Solar Lamp Circuit Board is protected from overcharge and overdischarge when connected to a 3.7V battery, and the battery needs a protective board when connected to a 3.2V battery.
- Induction Method: Human infrared sensor; Sensing Distance: 2-5 meters; Induction Time: 25 seconds; Battery Input: 3.7V / 3.2V; Three Gear Modes Are Adjustable.
- Solar Lamp Circuit Board has infrared human body sensing probe, sensitive to use.
- With three gear modes adjustable, you can adjust according to your own needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08SR7HYBX |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 321,946 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 827 in Temperature Controllers |
| Customer Reviews | 2.4 2.4 out of 5 stars (2) |
| Date First Available | 13 Jan. 2021 |
| Item Package Quantity | 1 |
| Item Weight | 10 g |
| Manufacturer | Fafeicy |
| Manufacturer reference | Fafeicyco5z96mngx2384 |
| Part Number | Fafeicyco5z96mngx2384 |
| Plug profile | Wall Mount |
| Power Source | Battery Powered |
| Product Dimensions | 1 x 1 x 1 cm; 10 g |
| Special Features | default |

## Product Details

- **Brand:** Fafeicy
- **Manufacturer:** Fafeicy
- **Maximum range:** 5 Metres
- **Mounting type:** Wall Mount
- **Power source:** Battery Powered

## Images

![YX-402 Solar Lamp Circuit Board, 3.7V / 3.2V Human Infrared Sensor, 2-5 Meters Sensing Distance, 25 Seconds Induction Time, for Wall Lamp - Image 1](https://m.media-amazon.com/images/I/61tcCBkmQJL.jpg)

## Customer Reviews

### ⭐ Review
*by K***E on 2 December 2024*

Ordered six of these in two separate orders. The first board worked perfectly and still does. The next three boards don't work at all. Voltage bleeds from the batteries back to the solar panel even with the switch in the off position.

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-02-23*