ERS lite


Inside ERS Lite you will find two internal sensors for measuring indoor temperature and humidity. This is the sensor for simple and easy environment measuring. 

Out of stock! Available on backorder

Quantity Price
1+ 58 EUR
10+ 48 EUR
100+ 41 EUR
SKU: ERS2lite Categories: , ,


This is an indoor LoRaWAN® room sensor for measuring the indoor environment. ERS Lite is enclosed in a minimalistic and discrete box that fits in any application. Mount it on a wall or any other flat surface and have full control over the temperature and humidity.

The battery life is estimated to be up to 10 years but depends on sample interval, transmit interval, data rate, and environmental factors. It is powered by a single 3,6V AA lithium battery.

All our sensors are equipped with NFC (Near Field Communication) for easy configuration with an Android phone. You can change the sample rate, data rate, encryption keys, triggers, activation, and much more in our application “Sensor Settings“.  All our sensors are built on the LoRaWAN® stack from Semtech.

Channel plans for US 902-928, EU 863-870, AS 923, AU 915-928, and KR 920-923.

Batteries are not included.

Please visit our Documents & Firmware page for more information about this product.

Additional information

Weight 0.1 kg
Dimensions 76 × 76 × 23 mm

Plastic PC/ABS

IP rating



Screw/Adhesive tape

Operating temperature


Operating humidity

0-85% RH

Usage environment


Battery type

1 x 3.6V AA Lithium Battery

Expected battery life

Up to 10 years. Depending on the sample rate, transmit interval, data rate, and environmental factors.

Sampling interval

Default 10 min. Configurable via NFC and downlink.

Data upload interval

Default 10 min. Configurable via NFC and downlink.

Wireless technology

LoRaWAN 1.0 and 1.1

Wireless security

LoRaWAN End-to-End encryption (AES-CTR), Data Integrity Protection (AES-CMAC)

LoRaWAN device type

Class A/C (configurable) End-device

Supported LoRaWAN® features

OTAA, ABP, ADR, Adaptive Channel Setup

Supported LoRaWAN® regions

US902 – 928, EU863 – 870, AS923, AU915 – 928, KR920 – 923, RU864, IN865

RF transmit power

14 dBm / 20 dBm (Region specific)

You may also like…