Material: EVA
Item type: mask
Product size: (length x width): diameter 23cm, height 25cm

Lighting mode:
Ordinary controller: always on - slow flash - flash
Sound control controller: always bright - flashing - voice control
Battery (without battery, battery must be equipped):
Ordinary controller: 2xAA battery (2 AA batteries)
Sound controller: 2xAAA battery (2 batteries, 7 batteries)

Product parameters:
1. Voltage: 60-200V, 110V is suitable
2. Frequency: 500-3000HZ, 1500-2000Hz is appropriate
3. Brightness: Voltage: 120V, Frequency: 200Hz to 2000Hz: 30cd/m2 to 126 cd/m2
4. Power: Voltage: 120V, Frequency: 200Hz ~ 2000Hz: 108mw / m ~ 1032mw / m
5. Service life: voltage: 110V, frequency: 400Hz, normal temperature and humidity, about 5000h
6. Working temperature / relative humidity: -10 ° C ~ +60 ° C; RH < 90% 8. Storage temperature / relative humidity: -10 ° C ~ +60 ° C; RH < 65%
7. Due to factors such as working voltage, frequency, temperature, humidity, etc., the above parameters will fluctuate in a small range, for reference only.