SMAlux A21 Tunable White Wi-Fi Smart LED Light Bulb

• Unlimited operating distance with SMAlux App on phone.
• No hub required, support Amazon Alexa and Google Home for voice control.
• With aluminum and plastic material for 2000H long lifespan, UL listed.
• Color temperature changing from warm white (2700K) to daylight (6500K).
• A21 10W 1050lm bulb with brightness dimmable from 10%-100% at 110V-130V working voltage.
• Schedule time and several bulbs in a group controlled together.