Specifications: 1. Melodies: 36 Kinds for Selection 2. Remote Button Dimensions: (3.31 x 2.36 x 0.91)" / (8.4 x 6 x 2.3)cm (L x W x H) 3. Doorbell Dimensions: (3.74 x 2.36 x 1.34)" / (9.5 x 6 x 3.4)cm (L x W x H) 4. Color: Black 5. Remote Control / Receiver Distance: ≥100m(in Open Air) 6. Material: ABS 7. Working Frequency: 315MHz 8. Receiver Operating Voltage: DC 4.5V (3 x AAA Battery, not Included) 9. Woking Current: ≤120mA 10. Static Current: ≤0.8mA(Ultra-low Power ,Can Extend Battery Life) 11. Power: ≤2W 12. Temperature: -10 ℃ ~50 ℃ 13. Weight: 3.84oz / 109g 14. Work Voltage of the Emitter: 12V (23A 12V Battery, not Included) 15. Sound: 25-80dB ( 4 Grad Volumes) 16. Work Electricity of the Emitter: ≤15mA Package Includes: 1 x EU Plug 1 x Emitter 1 x Manual 1 x Cotton Piece 2 x Screws

• 1. 36 pleasant chimes for you to choose from 2. Cool black cover, blend with any kind of home decor 3. Install quickly without the hassle of running any wires 4. When the transmitter button is pressed, the ring will sound and the LED light on the receiver will start flashing
• 5. 4-level adjustable volume 6. Waterproof design, work great even on outdoor gates 7. Batteries are not included 8. EU standard plug, powered by AC

1. 36 pleasant chimes for you to choose from 2. Cool black cover, blend with any kind of home decor 3. Install quickly without the hassle of running any wires 4. When the transmitter button is pressed, the ring will sound and the LED light on the receiver will start flashingUnbranded