IoT Sensor Development

I'm looking for a skilled developer to create a battery-powered IoT sensor that collects ultrasonic sound and temperature data. The sensor will be used in both indoor and outdoor environments.

Key Requirements:
- Collect ultrasonic sound and temperature data
- Function in both indoor and outdoor industrial settings
- Battery-powered design
- LORA technology

Ideal Skills and Experience:
- Experience with IoT sensor development
- Knowledge of ultrasonic sound and temperature sensing technologies
- Ability to design battery-powered devices
- Familiarity with both indoor and outdoor environmental considerations
- Experience on LORA technology

Please provide examples of previous work and a timeline for completion.