They do not contain ammonia

Product Color Black

it is compatible much more widely with most devices than those without power supplied

Voltage: 12V-24V

New BIGTEDDY - 206pcs Photo Frame Picture Hanger Assortment Wall Hanging Kit Hardware Hooks with Wire for Drywall Home and Office Picture Wall Mount bed set They do not contain ammoniaNew BIGTEDDY 206pcs Photo Frame Picture Hanger Assortment Wall Hanging Kit Hardware Hooks with Wire for Drywall Home and Office Picture Wall Mount Complete and Compact Come with hooks, escutcheon pins, eye screw, sawtooth and wires. Over 200pcs in a compact portable box. Everything in place Easy to Use NO DRILL. NO SCREWDRIVER. All you need is a hammer, and creative mind for your picture wall High Variety 5 different hooks for different weight 10lbs,