SPECIFICATIONS

Battery Included: no

Brand Name: NONE

Certification: NONE

Choice: yes

Department: Unisex

High-concerned chemical: None

Origin: Mainland China

Semi-finishedproduct: Yes

Theory: Countdown

USB 24H Countdown Power-Off Switch
Easy timing control for USB-powered devices. Set the required time and the power will automatically turn off when the countdown ends.

Main Features

• 24H Adjustable Timer – Supports countdown settings up to 24 hours.

• Auto Power Off – Automatically cuts power when the preset countdown is completed.

• Digital Display – Clear LED display makes the remaining time easy to check.

• Rotary Knob Control – Simple operation for setting hours and minutes.

• USB Male & Female Interface – Easy connection with USB-powered devices.

• 5V Low Voltage – Designed for common 5V USB equipment.

• Compact & Portable – Small size, easy to use at home, office or travel.

• Wide Application – Suitable for aquarium pumps, USB lights, fans and other 5V USB devices.

Timer Setting

Time Range: Up to 24 Hours
Hour Adjustment: 1 Hour per step
Minute Adjustment: 5 Minutes per step

After setting the required countdown time, wait a few seconds and the timer will start automatically.

Product Specifications

Product Name: USB Countdown Power-Off Switch
Material: Plastic + Copper Wire
Color: Black
Interface: USB Male / Female
Voltage: 5V
Timer Range: 24H
Hour Step: 1 Hour
Minute Step: 5 Minutes
Package Size: 15 × 8 × 3 cm
Gross Weight: 47g

Application

Suitable for:
Aquarium Pump / USB Fan / USB Light / Small USB Devices / Automatic Power Control

How to Use

1. Connect the USB male plug to a 5V USB power source.

2. Connect your USB device to the output side.

3. Press the knob to switch between hour and minute settings.

4. Rotate the knob to adjust the countdown time.

5. After the countdown ends, the power supply automatically turns off.

Package Includes

1 × USB Countdown Power-Off Timer Switch

Note: Please confirm that your device uses a 5V USB power supply before purchase.