Color: As shown in the First image. Quantity and size : As shown in the title or description. Cabinet Invisible - Electronic Rfid Hidden Keyless Drawer Door Locks Sensor Features: The Master Card/keychain Has Been Set For the Lock, No Need to Be Programmed or Activated. All You Need to Do is to Install 2 Pieces of AA Alkaline Batteries, You Can Use the Lock This is compatible with the Wooden Door Only, Special For Drawer, Locker, Cabinet, Sliding Door No Need to Drill Holes, No Damage to Your Cabinet Auto-bounce and Auto-lock Function, Easy to Operate It is Compatible with IC 13.56KHZ CHIP CARDS Stainless Steel Latch and ABS Plastic Lock Body, Durable and Anticorrosion Motor Life Span is About 100,000 Times, The Static Power Consumption Less Than 5A One Master Card Can Be Set to Open Several Locks So You Only Have to Keep One Key to Control All Locks Features:: Types: 3 Keychains, 3 Cards Power Supply: 4 Pcs AA Alkaline Batteries Battery Life Span: More Than 15 Months Operating Temperature: -3080 Antistatic Behavior: >15,000V, In For mation Can Be Saved Though in Strong Static Static Power Consumption: