Replacement battery for eU340 Smartsafe. Specifications: 450mAh, 14.8V, Li-Polymer. Compatible with: eU340 Smartsafe, WIR Elektronik switch eUhr eU340 Smart Safe. Replaces: eUHR 1100-000080, WIR Elektronik 1100-000080. eUHR replacement battery designed for Smart Home devices. Tested for reliability and long service life.