Model No: HL721510A. :: 2 nos of 7W CFL Luminaires.(4 hrs of operation each or 8hrs one lamp) :: 12V10Wp crystalline silicon solar module. :: 12V15Ah VRLA battery. :: AC - adaptor, cable kit , hardwares. b. :: Model No: HL721520. :: 2 nos of 7W CFL Luminaires.(4 hrs of operation each or 8hrs one lamp) :: 12V20Wp crystalline silicon solar module. :: 12V15Ah VRLA battery. :: Cable kits and hardwares.