Quick view Choose Options Schlage Electronics 740 Series Emergency Break Glass Release - Schlage Electronics MSRP: Was: $549.00 Now: $402.91 - $447.66 Schlage 740 Series emergency break glass release products are designed for use as an emergency release of doors not normally used for daily … California Prop 65 Warning WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.