10Pcs RW1990 Rewritable iButton Card, TM tag, TM iButton, Touch Memory Key, Sauna Keys, Copy DALASS DS1990A TM1990A Dropshipping
Return&refund policy
Eligible items are covered by return and refund support. If the item does not arrive or is not as described, the buyer can request help.
Security & Privacy
Safe payments: We do not share your personal details with any third parties without your consent.
Secure personal details: We protect your privacy and keep your personal details safe and secure.
AI offer for your market
A curated pick based on category, shipping route, delivery speed and popularity in your selected market.
Why this product fits your market
- • Estimated delivery: 5.
- • Strong customer signal: 4.8★ from 176 reviews.
- • Recommendations focus on this product category and your market availability.
Product specifications
Detailed product description
This product is shown with available options, market-specific pricing and verified specifications.
- Brand: NONE
- Sales: 422
- Package size: 18 × 20 × 4 cm
- Package weight: 0.07 kg
- Rating: 4.8 / 5
Before adding to cart, choose an available option and check the quantity.
10 Pcs/Lot RW1990 Universal Intercome Key iButton Key Touch Memory with Handle
Chip Type: RW1990
RW1990 function
1.RW1990 ibutton
2. Low Cost
3.Waterproof
4. Rewritable, DS1990A and TM1990A iButton
5. Can copy, RW1990
Technical parameters
*Dallas Encryption
*Breakdown coefficient: 1/100,000
*Serial Number: Global 64-bit numbers only
*Memory: 8 KB RAM
*Inductive Type: Touch
*R/W and encryption
*B/W times
*Operating Temperature: -40~85
*Lifetime:>20 years
*Dimensions:54*20 mm
*Weight: 4g/pcs
*Parcel: 10Pcs RW1990 keys