10 Pack Acolyte Sumix 1 White LED Submersible Lights Remote Capable & Included Size: 1-1/8" wide x 1-1/4" high Has an on/off switch and an a remote control which is included Lasts Approximately 24 hours (Cut time in half if submerged in water) Includes 2 (CR2450) lead free coincell batteries which can be replaced