Overview: This rechargeable LED emergency light bulb is designed for households and outdoor enthusiasts seeking reliable backup lighting. It functions as a standard E26/E27 LED bulb while providing up to 4 hours of portable emergency light during power outages, ensuring safety and convenience in unexpected darkness. Product Details: Engineered with a plastic-coated aluminum body for effective heat dissipation, this bulb operates at temperatures below 50°C even after prolonged use. It delivers bright, omnidirectional illumination at 450 lumens (6000K color temperature), equivalent to a 60W bulb. The built-in 1200mAh lithium battery recharges automatically when screwed into a socket. In case of a power failure, simply detach the bulb, attach the included cap with hook and switch, and use it as a handheld or hanging emergency light—ideal for camping, gardens, parties, or storage areas. Key Features: 1. Dual Functionality: Works as a regular LED bulb for daily use and instantly converts into a portable emergency light during power outages. 2. Emergency Ready: Includes a cap with an ON/OFF switch and hook. Detach the bulb from the socket, attach the cap, and enjoy up to 4 hours of backup lighting. 3. Rechargeable & Efficient: Features a built-in 1200mAh battery that auto-charges when installed in a socket, ensuring continuous readiness. 4. Portable & Versatile: Compact and lightweight with a convenient hook for hanging. Perfect as a camping light, flashlight, or temporary workspace light. 5. High Brightness & Safe Design: Provides 450 lumens of clear, wide-angle light. The aluminum construction ensures effective heat dissipation, maintaining a safe surface temperature. Specifications: Material: PC + Aluminum Color: White Input Voltage: AC 100–240V Socket Type: E26/E27 Luminous Flux: 450 LM Color Temperature: 6000K Battery: 3.7V 1200mAh lithium battery Item Size (Hanging): 6.5 × 17 cm / 2.6 × 6.7 in Item Weight: 97 g / 3.4 oz Package Includes: 2 × Emergency Light Bulbs, 2 × Caps (with switch & hook)