Energizer Ultimate Lithium AA Batteries Pack of 4 charger On-Wrist Skin Temperature Sensor: Sense

On-Wrist Skin Temperature Sensor: Sense logs your skin temperature each night to show how it varies from your personal baseline

Use built-in Amazon Alexa to get quick news

Suited for everyday devices

3at PoE (PoE injector not included)

28hrs with the case and fast-charge

Energizer Ultimate Lithium AA Batteries Pack of 4 charger On-Wrist Skin Temperature Sensor: SenseProduct Description Nothing outlasts Energizer Ultimate Lithium AA batteries. The Energizer Ultimate Lithium batteries are the #1 longest lasting AA batteries complete with leak resistance and performance in extreme temperatures ( 40F to 140F or 40C to 60C). To ensure your favourite devices operate at their peak performance, depend on Energizer Ultimate Lithium batteries for work, play and home. Up to 10 year battery backup in AC powered smoke