Sensky Bs122 6w Warm White E27 110v, 26 Pieces of LED Chips, LED Motion Sensor Light Bulb Lamp, Motion Sensor Light with 120 Degree Sensor Angle. light Color:warm White Sensor distance(M):5-7m LED Chip Model:SMD3528 Voltage:110V Life span(H):20000H E27: E means Screw joint; 27 means diameter size of the Screw joint. (2.7CM) Therefore, this bulb can match the E27 light bases only. (NOTE:With a photosensitive internal switch that only allows the light bulb to be activated on when the ambient light is low or dark.)