The TM103 is a handheld wireless buzzer system specifically designed for various quizzes, competitions, and interactive events. Utilizing advanced 2.4GHz wireless communication technology, it supports synchronous buzzing across multiple terminals with high-precision recognition and effortless operation. It is perfect for driving interactive engagement in home entertainment, classrooms, corporate training, competitive tournaments, and more.

The buzzer fits comfortably in a single hand for easy operation, making it ideal for casual use on a sofa. It can also be placed flat on a desk, making it versatile for classroom quizzes and formal competition settings.

Features two modes—Standard Buzz-in and Random Selection. It supports both instant (0-second) buzzing and a 3-second countdown, allowing you to freely switch rules to fit any event format.

Powered by 2.4GHz wireless communication, the system boasts strong anti-interference capabilities and a long transmission range (over 50 meters). It supports up to 32 buzzers online simultaneously with zero latency, no missed signals, and no crosstalk.

The buzzers for trivia games allow up to 32 players in a single setup; making it easy to run large interactive sessions; ensuring smooth coordination and fair competition; and making group interaction more exciting and inclusive.

Equipped with a large digital LED display that automatically ranks the 1st through 9th places with a page-turning feature. The first-place winner is highlighted with both a voice announcement and flashing lights to instantly boost the event atmosphere.
Features a buzzer lockout function where the first successful buzz-in is locked and displayed. Any foul or premature buzzing triggers an automatic red light warning, effectively preventing false starts to ensure absolute fairness.
The main console features a minimalist button design and supports remote control. With no training required, simply power it on to start your event smoothly.

Built with a 1500mAh battery for the main console and 500mAh for each buzzer. Combined with Type-C fast charging and long standby times, it ensures the competition stays powered from start to finish.

Supports a full range of custom settings, including buzzer pairing, channel switching, volume adjustment, background music toggling, battery level checking, and factory reset.

The game show buzzer features a clear battery level indicator; helping users easily monitor power status during party competitions and school activities; so every session stays fully under control without unexpected shutdowns.
| Dimensions | 184.2×92.14×29.73mm |
| Weight | 317g |
| Frequency | 2.401GHz-2.479GHz 433.92MHz |
| Transmission Power | MAX 8mW |
| Operating Range | *30m |
| Battery | HKT 604050 3.7V,1500mAh/5.55Wh, 24.63g, usable extinguishing agent:water,CO2 |
| Standby Time | *4h |
| Charging Time | *2.5h |
| Power Input | DC 5V --- 1A |
| Charging Port Type | Type-C |
| Dimensions | 110.01×46.11×20.66mm |
| Weight | 61g |
| Frequency | 2.401GHz-2.479GHz |
| Operating Range | *30m |
| Battery | HKT 802035,3.7V,500mAh/1.85Wh,10.11g, usable extinguishing agent:water,CO2 |
| Standby Time | *25h |
| Charging Time | *2.5h |
| Power Input | DC 5V --- 1A |
| Charging Port Type | Type-C |