Model # 146811 Phillips compact fluorescent lamp that is ideal for recessed and surface mounted downlights, security and general lighting. CFL-ni tubular shape with 2 pin GX23 base. Warm white lighting Life- 10,000 hours CFLni tubular shape with a 2-pin GX23 base 13W = 60W GX23 base with warm white light ALTO - low mercury technology Replacement CFL for use with magnetic ballasts Uses 80% less energy compared to a standard incandescent light bulb.