30 Musics Home Doorbell Strong Signal SOS Button Doorbell Low Power Consumption Cordless USB Doorbell for Elderly Emergency Call
Feature:
1. High performance: Smart USB Doorbell has ultra-low power consumption, long service life, and a working temperature range of – 20-70 ℃, which can withstand various adverse weather conditions.
2. Modern and Practical Design: Our Wireless Doorbell has a fashionable appearance and practical functions. Lightweight and sensitive, it can be remotely controlled, providing you with quick instructions to ensure that you hear the bell and open the door in a timely manner.
3. 30 song Ringtones: SOS Button Doorbell has 30 song ringtones to choose from, and you can choose your favorite music.
4. Easy to Install: The Mini Door Bell is easy to install and can be installed in just a few minutes. The receiver can be placed with screws.
5. Precautions: In environments with high wireless interference, the transmission distance of the Wireless Doorbell Receiver may be reduced. If no music sounds, check whether the horn wiring is disconnected.

Specification:
Certification: NONE
Origin: Mainland China
Connection Type: Wireless

Doorbell receiver
Product name: Wireless doorbell receiver
Model: AK-C220616
Music quantity: 30 pieces
Output mode; horn
Demodulation method: ASK
Shell material: ABS
Control method: equipped with remote control
Product size: 56.5 * 33 * 5.3mm/2.2*1.2*0.2in(excluding housing)
Product weight: 8g (without housing, including speaker)
Working voltage: DC5V/1A
Standby current: 4.6mA
Working current: 120mA
Receiving sensitivity: – 105dB
Working temperature: – 20-70 ℃

Single button remote control
Product Name: Single Button Remote Control
Model: SOS-V2.0
Operating frequency: 433.92MHz
Battery type: button battery 2016 * 3
Modulation mode: ASK
Encoding format: EV1527
Shell material: ABS
Product size: 45 * 45 * 14mm/1.7*1.7*0.5in (including housing)
Net weight of product: 11g (including shell and battery)
Working voltage: DC9V
Quiescent current: 0.1uA
Emission current: 20mA
Transmission power:+10-13dBm
Working temperature: – 20-70 ℃

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.

1 x Wireless Doorbell Receiver
1 x Single Button Remote Control