RECESKY Battery Operated String Lights with Timer 40 LED 22.5ft Globe Lantern Decor Lighting for Outdoor Indoor Garden House Home Party Xmas Wreath Garland Christmas Tree Decorations - Warm White PRODUCT DIMENSIONS - 40 LED string lights total length 22.5ft ; lead length 3.3ft ; lamp spacing 0.5ft. SMART TIMER - 1st "TIMER" Mode (automatically keep 6 hours on and then 18 hours off) ; 2nd "ON" mode (work on 24 hours) ; 3rd "OFF" mode (turn off the lights, no matter how you press the 8 modes button) BATTERY OPERATED - Requires 3 x AA Batteries (Not Included) ; String lights needn't to plug or put in the sun which can be used in anywhere conveniently and get perfect work in winter. LIGHT MODES - Up to 8 different light mode, A variety of options to meet your various needs. WATERPROOF - Level IP65 (Included battery case), Suitable for outdoor use, but can not soak.