DP Light rechargeable LED bulb, specifically model DP-3921. This product functions as both a standard household bulb and an emergency lamp with overcharge protection. Type: It is an AC/DC rechargeable LED emergency bulb, which includes a built-in battery that charges during normal use and activates automatically during a power outage. Features: The bulb has a hanging hook for portability and a pin-type socket connection. Some models also include a USB port for charging or functioning as a power bank. Availability: These bulbs are widely available from various online and physical retailers in Kenya. Functionality: It can be operated using a normal light switch, and its internal battery provides several hours of backup lighting during power loss.