Hayward Goldline AQL2-TW-RF-PS-4 ProLogic Wireless Table Top Display, White Portable wireless table top display allows to control and program Pro Logic system from anywhere around the pool area or inside the house Fits Hayward Pro Logic PS-4 systems It operates for distances up to 500-feet and up to 200-feet through walls Features rechargeable batteries and LED indicators which indicate on/off status of all equipment Available in white color