Introduction
Thank you for choosing Hizashi ST19 Dimmable LED Edison Bulbs. These vintage-style LED bulbs combine classic aesthetics with modern energy efficiency and advanced dimming capabilities. Designed for a wide range of applications, they provide a warm white glow (2700K) with high color rendering (95+ CRI) to enhance the ambiance of any space. This manual provides essential information for safe installation, optimal operation, and proper maintenance of your new LED bulbs.

Image: Hizashi ST19 LED Edison bulbs showcasing key features like UL listing, 2700K warm white light, 700 lumens brightness, and 60W incandescent equivalency.
Safety Information
Please read and understand all safety instructions before installing or using these bulbs. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Risk of Electric Shock: Disconnect power before installation or servicing.
- Risk of Fire: Do not exceed the maximum wattage rating of your fixture. These bulbs are 6W LED, equivalent to 60W incandescent.
- Indoor/Outdoor Use: Suitable for both indoor and outdoor enclosed fixtures. Ensure outdoor fixtures are sealed to prevent water ingress.
- Dimmable: Use only with compatible LED dimmers. Incompatible dimmers may cause flickering or damage to the bulbs.
- Do not disassemble or modify the bulb.
- Avoid direct exposure to water or excessive moisture unless the fixture is specifically rated for such conditions.
Setup and Installation
These bulbs feature a standard E26 base, making them compatible with most common light fixtures. Follow these steps for safe installation:
- Turn Off Power: Before replacing any bulb, ensure the power to the light fixture is turned off at the circuit breaker or wall switch.
- Allow Cooling: If replacing an old incandescent bulb, allow it to cool completely before touching to avoid burns.
- Unscrew Old Bulb: Carefully unscrew the old bulb counter-clockwise from the socket.
- Screw in New Bulb: Gently screw the Hizashi LED Edison bulb clockwise into the E26 socket until it is snug. Do not overtighten.
- Restore Power: Turn the power back on at the circuit breaker or wall switch.

Image: A Hizashi ST19 LED Edison bulb held in hand, illustrating its design and E26 base for easy installation.

Image: A Hizashi ST19 LED Edison bulb installed in a pendant light, demonstrating its aesthetic appeal in a fixture.
Operating Instructions
These Hizashi LED Edison bulbs are designed for simple operation and offer dimming capabilities.
- Standard Operation: Once installed, turn on the light switch to illuminate the bulbs.
- Dimming Function: These bulbs are fully dimmable from 10% to 100%. For optimal performance and to avoid flickering or buzzing, use them with LED-compatible dimmers. Adjust the dimmer switch to achieve your desired brightness level.

Image: Visual representation of the smooth dimming capability of Hizashi LED bulbs, from 10% to 100% light output.
Video: An official Hizashi video demonstrating the features and applications of Hizashi Edison Bulbs, including their dimming capabilities and aesthetic appeal in various settings.
Maintenance
Hizashi LED Edison bulbs are designed for long-lasting performance with minimal maintenance. Follow these guidelines to ensure their longevity:
- Cleaning: Ensure the power is off and the bulb is cool before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as they may damage the bulb's finish or internal components.
- Replacement: These bulbs have an average life of 25,000 hours. When replacement is necessary, follow the installation steps outlined in the "Setup and Installation" section.
- Storage: If storing unused bulbs, keep them in their original packaging in a cool, dry place to prevent damage.
Troubleshooting
If you encounter issues with your Hizashi LED Edison bulbs, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up | No power to fixture; Loose connection; Faulty bulb | Check circuit breaker/switch; Tighten bulb in socket; Test bulb in another fixture or replace. |
| Bulb flickers or buzzes | Incompatible dimmer switch; Loose connection; Electrical interference | Ensure dimmer is LED-compatible; Tighten bulb; Consult an electrician for wiring issues. |
| Bulb does not dim properly | Incompatible dimmer switch; Dimmer not calibrated for LED | Replace with an LED-compatible dimmer; Adjust dimmer's calibration settings if available. |
| Light output is too low/high | Incorrect bulb wattage/lumen for application; Dimmer setting | Verify bulb specifications meet needs; Adjust dimmer to desired level. |

Image: A comparison illustrating the flicker-free and omni-directional light output of Hizashi LED bulbs compared to a flickering light source.
Specifications
Detailed technical specifications for the Hizashi ST19 Dimmable LED Edison Bulbs:
- Brand: Hizashi
- Light Type: LED
- Special Feature: 60 Watt Equivalent, 2700K Warm White, 700lm, 6W, 95+CRI, Dimmable, Energy Efficient, UL Listed, Vintage Style
- Wattage: 6 Watts
- Bulb Shape Size: ST19
- Bulb Base: E26
- Incandescent Equivalent Wattage: 60 Watts
- Light Color: Warm White
- Voltage: 120 Volts
- Color Temperature: 2700 Kelvin
- Brightness: 700 Lumen
- Shape: Drop Point
- Material: Aluminum, Glass
- Indoor/Outdoor Usage: Indoor, Outdoor
- Power Source: AC
- Color Rendering Index (CRI): 95
- Beam Angle: 360 Degrees
- Average Life: 25000 Hours
- Product Dimensions: 2.28"W x 5.3"H
- Accepted Voltage Frequency: 100 to 120 Volts and 60 Hertz
- Bulb Features: Dimmable
Warranty and Support
Hizashi products are manufactured under strict quality guidelines. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Hizashi website. Please retain your proof of purchase for any warranty claims.