An electronic shelf labels is an electronic display device with a function of transmitting and receiving information. It is mainly used to display commodity price information in supermarkets, convenience stores, pharmacies, and 3C stores. Today's electronic price tags on the market have a variety of screen sizes such as 1.54-inch, 2.13-inch, 2.9-inch, 4.2-inch, 5.8-inch, and 7.5-inch. Electronic price tags commonly used in mid-term supermarkets are 1.54-inch, 2.13-inch, 2.9-inch, and 4.2 inch. Let ’s introduce the four sizes of electronic price tags commonly used in supermarkets.

 

 

1.54-inch electronic price tag

 

Communication protocol: BLE5.0

 

Shell material: ABS plastic, transparent PC

 

Dimensions: 36x46x14.2mm

 

Screen type: Dot matrix electronic paper screen

 

Screen size: 28.00x28.00 mm (1.54 inches)

 

Battery model: CR2450 (replaceable)

 

Battery life: 5 years (5 refreshes per day)

 

Working temperature: normal temperature (0 ℃ ~ 50 ℃)

 

Installation method: rail, bracket, ice plug, etc.

 

Features: 1. Bluetooth 5.0 communication protocol, encrypted connection and data transmission;

 

2. The display price of the electronic price tag within 20,000 pieces can be refreshed as fast as 30 minutes / time;

 

3. Dot-matrix e-paper screen, display content can be freely defined without language restrictions;

 

4, IP65 waterproof, support NFC, LED light function.

 

 

 

2.13 inch electronic price tag

 

Communication protocol: BLE5.0

 

Shell material: ABS plastic, transparent PC

 

Dimensions: 68x35x14.2 mm

 

Screen type: Dot matrix electronic paper screen

 

Screen size: 48.30x24.40 mm (2.13 inches)

 

Battery model: CR2450 (replaceable)

 

Battery life: 5 years (5 refreshes per day)

 

Working temperature: normal temperature, low temperature resistance (-20 ℃ ~ 50 ℃)

 

Installation method: rail, bracket, ice plug, etc.

 

Features: 1. Bluetooth 5.0 communication protocol, encrypted connection and data transmission;

 

2. The display price of the electronic price tag within 50,000 pieces can be refreshed as fast as 10 minutes / time;

 

3. Dot-matrix e-paper screen, display content can be freely defined without language restrictions;

 

4, low temperature resistance, IP65 waterproof, support NFC, LED light function.

 

 

 

2.9-inch electronic price tag

 

Communication protocol: BLE5.0

 

Shell material: ABS plastic, transparent PC

 

Dimensions: 91x41x14.2 mm

 

Screen type: Dot matrix electronic paper screen

 

Screen size: 66.90x29.10 mm (2.9 inches)

 

Battery model: CR2450 (replaceable)

 

Battery life: 5 years (5 refreshes per day)

 

Working temperature: normal temperature (0 ℃ ~ 50 ℃)

 

Installation method: rail, bracket, ice plug, etc.

 

Features: 1. Bluetooth 5.0 communication protocol, encrypted connection and data transmission;

 

2. The display price of the electronic price tag within 50,000 pieces can be refreshed as fast as 10 minutes / time;

 

3. Dot-matrix e-paper screen, display content can be freely defined without language restrictions;

 

4, IP65 waterproof, support NFC, LED light function.

 

 

 

4.2 inch electronic price tag

 

Communication protocol: BLE5.0

 

Shell material: ABS plastic, transparent PC

 

Dimensions: 99x93.5x13.5mm

 

Screen type: Dot matrix electronic paper screen

 

Screen size: 84.80x63.60 mm (4.2 inches)

 

Battery model: CR2450 (replaceable)

 

Battery life: 5 years (5 refreshes per day)

 

Working temperature: normal temperature (0 ℃ ~ 50 ℃)

 

Installation method: rail, bracket, ice plug, etc.

 

Features: 1. Bluetooth 5.0 communication protocol, encrypted connection and data transmission;

 

2. The display price of the electronic price tag within 50,000 pieces can be refreshed as fast as 10 minutes / time;

 

3. Dot-matrix e-paper screen, display content can be freely defined without language restrictions;

 

4, IP67 waterproof, support NFC, LED lights, temperature and humidity sensing functions.

 

The China electronic shelf labels is a smart display device that replaces the handwritten price tag. In order to adapt to different products and scenes, there are many different display sizes. The sertag electronic price tag in the cloud has 4.2 inches, 2.9 inches, 2.13 inches, and 1.54 inches. Different size specifications. Among them, the 4.2-inch large screen is suitable for eye-catching promotional reminders and price indications in stores, home furnishings, and fresh produce. The low-temperature-resistant 2.13 inch is suitable for the display of commodity prices in the frozen area. Regular commodity price indications in areas such as beverages.