Feature Highlights: 1. Dual-Purpose Design: This isn't just a regular LED bulb. It screws into any standard E26/E27 socket for everyday light. When the power goes out, simply unscrew it, attach the included cap, and it instantly becomes a portable emergency light. 2. Built-In Power Backup: With a built-in 1200mAh rechargeable battery, it automatically charges while in the socket. If the electricity cuts, you get up to 4 hours of reliable light, so you're never left in the dark. 3. Portable & Versatile: Lightweight and compact, the cap features a handy hook and switch. Hang it up, carry it around—perfect as a camping light, garden light, party light, or for use in the shed, garage, or during any outdoor activity. 4. Bright & Efficient: Delivers a bright, 450-lumen output (equivalent to a 60W bulb) with a clean 6000K daylight white. It lights up the whole area around you, not just a narrow beam. 5. Safe & Durable: Made with a plastic-coated aluminum body for excellent heat dissipation. It stays cool to the touch (under 50°C) even after long use, making it safe to handle and reducing any risk of burns. Product Details: This 2-pack of smart bulbs is your all-in-one lighting solution. Use them as your everyday bulbs, and they double as a guaranteed light source during power outages. The automatic charging means they're always ready. Take them down, screw on the cap with its integrated hook and switch, and you have a versatile portable light for emergencies, camping trips, backyard gatherings, or dark spaces like closets and warehouses. They provide strong, omnidirectional brightness while running cool and safe. Specifications: Material: PC + Aluminum Color: White Input Voltage: AC 100-240V Input Power (MAX): 8W Rated Power: 12W (60W Equivalent) Socket Type: E26 / E27 Brightness: 450 LM Color Temperature: 6000K (Daylight White) Beam Angle: 180° Battery: Built-in 3.7V 1200mAh Rechargeable Lithium Emergency Runtime: Up to 4 hours Bulb Size (Hanging with cap): 6.5 17cm / 2.6 6.7in Bulb Weight: 97g / 3.4oz Package Includes: 2 x Rechargeable Emergency Light Bulbs 2 x Cap (with switch & hook)