Q1: How does the WELLMAX 11W Emergency LED Bulb work during a power outage?
A: It features an internal rechargeable backup battery system. When your wall switch is on and a sudden blackout occurs, the bulb automatically detects the loss of grid current and switches to DC battery mode, keeping your space illuminated without manual intervention.
Q2: Do I need special wiring or extra switches to install this emergency bulb?
A: No special wiring is required. It is designed as a direct retrofit replacement for standard bulbs, fitting securely into regular E27 or B22 lamp holders.
Q3: How do I control the 3-step emergency brightness levels?
A: You can cycle through the three emergency brightness settings (500lm, 200lm, and 75lm) simply by using your standard wall light switch (turning it off and on sequentially during a power failure).
Q4: Is this bulb safe from flickering that causes eye strain?
A: Yes, it is engineered with a flicker-free constant-current driver that stabilizes current flow, preventing invisible stroboscopic flicker and protecting your eyes.
Q5: How long is the lifespan of this WELLMAX emergency LED bulb?
A: The bulb is rated for an extended lifespan of 25,000 hours and supports over 15,000 switching cycles under normal operating conditions.
Q6: Can this bulb be used outdoors or in humid areas?
A: No, it features an IP20 rating, meaning it is designed strictly for indoor use and should be protected from direct moisture and outdoor weather elements.
Q7: What is the color rendering index (CRI) of the Ballet Series 11W bulb?
A: It features a CRI rating of >80, ensuring that furniture, wall paints, and objects retain natural and accurate color appearances under its light.