Comply with international standards such as IEC914, CE, RoHS
Solemn appearance, suitable for various venues
Channels: 40 channels
3 voting buttons
3 light guide LED lights
Power supply: built-in two 1000mAh rechargeable batteries
Current: 20mA
OLED display + indicator light, dual real-time reminder
Casing: ABS casing
Color: black
Size: 155mm X 94mm X 36/31mm
Weight: 242g (excluding cable)