Chicken Water Heater for Winter, 6'' Heated Waterer Base for Metal/Plastic Poultry Waterer, 2-Temperature Settings, Built-in Thermostat (140°F - 194°F), Silicone Coop Heater with 6ft Power Cord (1PC)

Telbum DJ Party Lights, 80W 6IN1 LED DJ Disco Light DMX & Remote Control, RGBW Bee-Eye Effect - Multi Patterns - Strobe Effect, Sound Activated Stage Light for Wedding Dance Gig Bar Rave

Sklydron RGB Stage Par Can Light with Light Strip-90W LED Stage Lighting with Remote,DMX512 Sound Activated & Auto Strobe Jump Modes Uplights for Bands Events Church Wedding DJ Party & Stage Show

24LEDs Stage Wash Light Bar: RGB+Amber 4IN1 Color Chasing DMX Light Bar - Sound Activated Remote Control for DJ Planner - Wall Wash Uplights for Events Music Gig Church Wedding Party Band Performance

Stage Lights Dj Lights for Parties Led Stage Light Sound Activated Portable Party Light Par Light 36 Led RGB Remote Control Uplights for Disco Indoor Events Bar Birthday Wedding Outdoor

Enjoyedled DJ Disco Stage Party Lights - Northern Laser Light Effect RGB Led Sound Activated Strobe Lighting with Remote Control for Indoor Birthday Christmas New Year Karaoke Club KTV

Essential Guide to Stage Management, Lighting And Sound (Essential Guides for Performing Arts)

Basics - A Beginner's Guide to Stage Sound

Sound Design for the Stage (Crowood Theatre Companions)