**Product Specifications**
**Brand:** HAILE
**Product Features:**
1. FSK/DTMF dual-mode caller ID display
2. 62 groups of incoming call storage, 16 groups of outgoing call storage
3. One group of 32-bit automatic IP, 5-digit local code, HT-CHJ, 10, 1.00:03
4. Hands-free calling function
5. Green backlight function
6. Unique dual-switch test mode
7. Equipped with standard dual crystal head alligator clip test rope
8. Incoming and outgoing call query function
9. 32-bit pre-dialing and error correction function
10. Redial function for the last dialed number
11. 5-level brightness adjustment, anti-theft function, audio and pulse dialing function
12. Alarm clock function
- Temporary call function, 62 groups of incoming call storage, hands-free calling/redial
**Analysis of Product Details and Selling Points:**
1. **Detail:** HT-CHJ, green backlight, ring light, built-in backlight for clear screen visibility under low light
2. **Detail:** Incoming/outgoing number display, time and date displayed on the same screen for convenience
3. **Detail:** No battery required, phone line provides power
4. **Detail:** RJ11 plug, high compatibility and easy operation
5. **Detail:** Use of ring light for clear call prompts
**Installation Method:** Apply for caller ID service from local telecom office for the device to receive incoming call information
**Product Parameters:**
- **Brand:** HAILE
- **Product Name:** Professional Caller ID Line Tester
- **Model:** HT-CHJ Green
- **Weight:** 150g
- **Dimensions:** 155*52*27mm
- **Testing Interface:** RJ11 and alligator clip
- **Screen Display:** LCD screen
- **Operating Environment:** Dry, ventilated, non-corrosive
**Note:** Measurements are manual and may have slight errors.
**Physical Display Product List:**
HAILE HT-CHJ Caller ID Line Tester
Settings: Outgoing call, line reception, delete, 5, 9, I, *, #, on/off, hands-free, 0, main unit, test line.